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The beauty of water's power is its fluidity. At times it's gentle and soothing; other times, mighty and punishing. That's why I think it's the greatest of all elements. As an Aquos battler, you possess all of those strengths.

Chōji "Marucho" Marukura (丸蔵 兆治 (マルチョ), Marukura Chōji (Marucho)?)[3] is one of the characters in the anime series, Bakugan Battle Brawlers. He is the Battle Brawlers' Aquos brawler and maintains this position across its three sequels, New Vestroia, Gundalian Invaders, and Mechtanium Surge. He also made appearances in the video games, as well as Bakugan Dimensions.

His first Guardian Bakugan is Preyas, who has the alternate Angelo/Diablo Preyas form. In New Vestroia, because of Preyas' capture by the Vestals, Marucho takes Elfin as his Guardian Bakugan. In Gundalian Invaders, he uses Akwimos. He uses Infinity Trister as his Guardian in the first arc, and Radizen and temporarily Roxtor in the second.


He is a wealthy, generous boy who specializes in Aquos. He is the Brain of the Brawlers, a real walking encyclopedia. He loves to play Bakugan and to work on strategies. He used to be extremely obedient to his parents out of fear, but that changed when he joined the Brawlers; however he is still very obedient. He now has no regrets for the past, realizing that he only wanted to make his parents happy. Marucho has a butler named Kato, though Kato is not usually around Marucho anymore, due to the fact that Kato is now working for Marucho's father.

In the Japanese version, Marucho speaks in a polite and formal keigo accent, thus putting honorifics in his speech and uses honorific suffixes when addressing a character's name, such as Dan-san and Drago-san.


Bakugan Battle Brawlers

His Guardian Bakugan is Aquos Preyas, who crashed Marucho's house party, which was thrown after he moved into Dan Kuso's town. He and Dan battled the JJ Dolls who were under the control of Masquerade. He and Runo Misaki later battled Takashi and Kosuke who wanted to see their friend see her brother again. Despite the odds they managed to win.

After Dan becomes unconscious during a battle against a Ventus Brawler, he and Runo decide to recruit Shun Kazami to the team since they think he will be a big help. The two of them find Shun's House and battle Shun only to lose to him. Dan gets mad after finding out what they did and manages to get Shun on the team. Later he watches Michael Gehabich's video before he left for Vestroia and then travels with them to Bakugan Valley

Preyas was sent to the Doom Dimension in Marucho's battle with Klaus von Hertzon, which made Marucho want Preyas back so much that when Klaus opened up his portal, Marucho followed him and watches Dan and Runo battle Julio Santana.

Marucho in the Original Season

Later, when Klaus shows up with Preyas, Dan and Runo Misaki use the ability Pure Light to win Preyas back and beat him, Chan and Julio freeing them from Masquerade. Preyas evolved into a two-sided Bakugan called Angelo and Diablo by coughing them up. Unlike other Bakugan, Preyas multiplies when he evolves, so Marucho got to keep the old Preyas and the new one.

He watches Dan's match against Masquerade and gets upset when Dan gets sent away. He, shun runo and Julie then device a plan to save Dan. They battle Masquerade and lose to him on purpose to find Dan which they do.

When Marucho was being tested by Frosch he had to fight an old version of himself, the one who always listened to his parents. This sickened him but he was able to accept his past and how it made him who he is today and passes the test. When he brawled against Dan with Preyas and Angelo/Diablo Preyas he was ranked seventh and lost to Dan.

When he was in Vestroia he fought Aquos-Ventus hybrids Taygen and Hairadee alongside Shun. He originally just fought Taygen but then they teamed up when they realized that they were both able to use both Aquos and Ventus. He then defeated them by using a Diagonal Relationship with Ventus and Haos with Angelo and Skyress, and then a Pyrus and Darkus with Preyas and Diablo, defeating them. He later brawled against Taygen once again alongside the JJ Dolls Jenny and Jewels and defeated it. He, Julie, Billy, Komba, Juilo and Klaus later aid Dan and Runo in their battle against Centorrior and Druman eventually beating the hybrids. He, Runo, Shun, Julie and Alice later help Dan and Drago to defeat and destroy Naga with their Bakugan's help. After the battle finished, he released Preyas and all other of his Bakugan.

Bakugan Battle Brawlers: New Vestroia

Marucho returns in New Vestroia, following Dan and Drago into the new world. When Vexos Lync Volan and Volt Luster battle against Dan and Mira Fermin, he stands back and observes the new way of battling with Dan winning Freezer and Atmos after his victory against the Vexos.

Marucho later goes to the Bakugan Battle Brawlers Resistance headquarters with Mira telling Dan and Marucho about the history of New Vestroia and how the Vexos took over. She takes them back to their base to introduce them to Ace Grit and Baron Leltoy; while Baron was excited to meet the famous Battle Brawlers, Ace was less than pleased. Dan and Ace battled which ended in a tie. Later on, after joining the Resistance he gains new clothes. He and the rest of the Resistance helped Baron agin his confidence back by telling him he has nothing to fear which helped Baron beat Shadow Prove. By Marucho's Mission, he's disappointed with himself, as he is part of the Resistance, yet doesn't have an Aquos Bakugan. Marucho decides to leave for a bit so that he can look for one.

Marucho in New Vestroia

While walking through a jungle, he is caught in a trap set up by a Bakugan called Elfin. Elfin gives him some food while she explains about how she knew Preyas before he got captured. Marucho then decides that they should team up, but Elfin wants Marucho to prove himself that he's really the "right partner" for her.

Suddenly, Mylene Farrow comes in and tries to steal what's left of the Aquos Bakugan (Wontu), so Elfin and Marucho team up to fight her. With Elfin's rather interesting abilities and attribute change, Marucho was winning until Mylene pulls out her trap Bakugan. Marucho manages to pull himself together for one last attack before he passes out. Shun Kazami saves him from losing and losing Elfin. Elfin reveals that she received training from Preyas and has decided to become his Guardian Bakugan.

On the way to and Alpha city the team mets Shun Kazami after he helped Dan defeat Spectra and Gus and agreed to join in hopes of finding Skyress. Shun then tells the group the story of how he arrived in New Vestroia and began fighting to free the Bakugan. Shun leads the team to Alpha city where they explore the city and find out about Altair during Mira's Brawl with Lync.

In Freedom Run, Elfin transforms in order to chase off some guards, as well as when they are outside of Alpha City, talking to the freed Bakugan. Afterwords the Bakugan thank the Resistance for freeing them.

In Surprise Visitor and Gate Crashers, Marucho and Elfin challenge Shadow Prove, who was blocking the portal under Prince Hydron's commands. He manages to defeat Shadow, much to Shadow's embarrassment and Mylene's annoyance.

However, Marucho is defeated by Volt Luster when the team is split apart, and disappears, like Ace. He is then freed by Mira and Spectra Phantom and manages to escape Beta City with the others. While in Gamma City, Marucho battles alongside Shun against Mylene and Shadow and wins. Marucho's purpose for battling at Gamma City is so Dan and Ace could go to destroy the third Dimension Controller. In Hydron's Palace he helps free Hydranoid, Preyas, Gorem, Tigrerra, and Skyress alongside Shun and Mira. They later reunite with Dan, Ace and Barron.

Shun, Dan, and Marucho go back to Earth along with everyone except Skyress. Elfin and Preyas argue who gets to be Marucho's partner which the kid breaks up. Elfin later evolves into Minx Elfin after the Six Ancient Warriors gave their Attribute Energies to Drago and the other Resistance Bakugan.

In Spectra Rises, he helps Dan and Mira to defeat Spectra, but they just narrowly beat the new Helios MK2 with their combined powers. After the Resistance comes back to Earth, Marucho allows everyone to stay in his mansion and puts up a shield so the Vexos won't be able to track them as long as the stay in the house. In Elfin On the Run, he comes back to fight Shadow Prove and Hydron with Preyas and Elfin, and although he wins, Elfin still loses the Aquos Energy.

In Ambush, he and Ace face Shadow Prove and Lync Volan. They lose due to the Trap Field and the Darkus Energy is taken from Percival. Dan loses the Pyrus energy to Zenoheld after his brawl against him and Prince Hydron, paired with Mira and Spectra, and the BT System is fully operational.

Marucho heads with the Resistance and Spectra to New Vestroia to evacuate all the Bakugan. He heads with Spectra to set the coordinates for his house to send the Bakugan. However, Ace immediately insists on joining them, showing that Ace is still obviously distrustful of Spectra.

After the BT System is destroyed, Marucho and the others return to earth. When the phantom data appears in Bakugan Interspace, Marucho and the others entered the virtual world and watched Baron battle against a clone of Haos Aranaut.

Marucho accompanies Dan to watch his final match with Spectra, and after his defeat, he officially joined the Resistance,

After Keith joins the Resistance at the end of Spectra's Last Stand, he and Marucho start working on Battle Gear for Drago in Fusion Confusion and Volt's Revolt, called JetKor. After some testing in Bakugan Interspace with the prototype, they manage to succeed in creating it. Later he hears about the Alternative thanks to Lync leaving evidence behind.

When the Alternative was complete, in episode 50-52 Dan and the other brawlers, including Marucho, battled it.

In Final Fury, after he, Preyas, Elfin and the rest of the Resistance defeated the Alternative, Akwimos becomes his new Guardian Bakugan for Gundalian Invaders.

In the Japanese special ending, he is shown explaining Alice Gehabich and Shun how the Interspace works.

Bakugan: Gundalian Invaders

Marucho in Gundalian Invaders

He is the most intelligent of the brawlers and has a new outfit in Gundalian Invaders. His new Guardian Bakugan is Akwimos. After Ren gave him a new Phantom Data, Marucho created Bakugan Interspace which allowed all brawlers around the world to battle each other.

He was revealed to have finally released Bakugan Interspace to the entire world, and was ranked #3 on the Interspace rankings. He gave Jake his first Bakugan, which is a digital copy of Subterra Coredem, the Subterra Bakugan that arrived in Bakugan Interspace when it received the "Unknown Data."

In a tag brawl with Dan against Sid Arkale and Lena Isis, Marucho did not last long, as Akwimos ended up showing a weakness to Phosphos's venom. Marucho was able to help Drago by nullifying Sid's Gate Card, allowing Dan to win the brawl. Later when Dan brawls Fabia Sheen he learns that the Bakugan the Brawlers are using are all from Neathia.

In Brawler To Be, Ren shows Marucho his new security system when they find out Mason Brown was brawling. He watches Jake go up against him and prove himself as a brawler.

He and Ren work on making Bakugan Interspace better for people and then take a break. The two then see that Jesse Glenn appared and Fabia fought him much to the Bralwers confusion. After Fabia's battle against Jesse, Ren runs away without admitting that the Gundalians are the ones that attacked the Neathians, and Marucho is the only one that believes that Ren is innocent. He then battled Ren and revealed his new battle gear, Gigarth. He won and realized that Ren was lying the whole time.

Marucho and Jake battled Sid and Casey using the real Akwimos and Coredem. In the end, they win, and Marucho captures Casey's Buz Hornix. Marucho makes an avatar of himself to brawl alongside Fabia against Lena and Zenet. Then he sneaks in to try and shut down Bakugan Interspace. Ren finds him and tells him of his past. He also plants a computer virus to allow the Brawlers to hack inside.

In The Sacred Orb, he battled alongside the Neathians and became one of the Castle Knights with the rest of the Brawlers.

In Decoy Unit, he and Jake faced off against Airzel and Mason Brown in order to buy enough time for Dan, Shun and Fabia to bring the Second Shield back online. Marucho also proves his worth as a brilliant military strategist by coming up with a decoy strategy to distract the Gundalians while they try to reactivate the second shield; as Queen Serena states later; he is a gift to Neathia.

He is seen celebrating after Dan and Shun restarted the second shield in Battle For the Second Shield.

In The Secret of the Orb, he and Fabia battle against Ren and Nurzak. During the battle, Marucho reveals that he still has not gotten over Ren's betrayal and gets very emotional and angry. Later, the Sacred Orb sends a dimensional twister as a warning, thus ending the battle. Later, back the palace, Marucho said that the Orb acted the way it did was because it was because two friends were fighting on the battlefield. Marucho then says that even though the others will think he is crazy, he believes Ren will come back to the Brawlers.

In Partners 'Til the End, he is shown watching Fabia tell Serina about how Nurzak just left the battle when the orb got angry. The Brawlers decide to use the orb to turn the other Twelve Orders against Barodus. He is then agreeing with Shun's plan to turn the others against Barodius. Dan decides to use that plan to divide and conquer.

In Mobile Assault, he beats several brainwashed kids with the rest of the Brawlers and Castle Knights

Marucho and Jake fight off the Scaboids and Megarus and briefly fights Stoica and Gill, during the next attack by Barodius. But eventually fights Stoica one on one and ends up losing. However, he regains his friendship with Ren, and later watches Ren become a Castle Knight after losing to Fabia. The next day he and Ren investigate Gundalian activity.

Shun and Marucho help Dan get inside the Gundalian castle to rescue Jake. Soon after, he and Shun get separated from Dan. The two of them end up fighting Gill and Airzel. Although they managed to defeat Airzel, they still lost to Gill and fled.

He battled against Jake after disguising himself as a Gundalian Guard, but the battle ended up being a tie when the force of Akwimos' and Coredem's attacks knocked him out of the Gundalian fortress. He was caught by Shun and Hawktor.

He chooses to stay behind and battle Airzel and Strikeflier, but eventually retreats and meets up with the rest of his team for a battle against Airzel, Gill, Stoica, and Kazarina. They win and retreat to Neathia, leaving Fabia behind to battle Kazarina.

On Neathia, he battles Zenet until Kazarina's death snaps her and Contestir out of hypnosis. She joins the Castle Knights in the battle against Barodius and Phantom Dharak.

He attempted to battle Phantom Dharak, but was defeated in a single hit. He is woken up by Linehalt's forbidden power, and later says goodbye to Akwimos, the Neathians, and the Gundalians before being teleported back to Earth.

Bakugan: Mechtanium Surge

Arc 1

Bakugan Mechtanium Surge Episode 5 Part 2 2 360p 1 0056.jpg

In Interspace Showdown, it is revealed that Marucho has a new Guardian Bakugan, Aquos Trister which is from Gundalia. Also, he turned over administrative duties of Bakugan Interspace to the system, allowing it to expand but also attracting sleazy characters such as a card dealer named Dylan. He later observes Dan's battle against Ben but then sends out Trister to stabilize the arena when Drago loses control of his powers.

In Mechtogan Mayhem, he is seen battling Jack Punt, a member of Team Anubias. At first he and Trister were struggling but were starting to come back before Zenthon appeared. They tried battling him but Trister was defeated by Zenthon's laser blast. The battle was declared a draw due to Zenthon's interference. He comments later "that Mechtogan has the same destructive power as Drago".

In Disconnect, he and Shun try to offer encouragement to Dan to tell them what is going with him and that they will always be there for him. Dan just makes another excuse and walks away. Later when he and Shun are watching Dan's battle with Anubias - they realize that Dan is holding Drago's power back and that is what he has been hiding but they do not know why.

In Fall From Grace, he and Shun went to talk to Dan at his house but was not there. Later they appear to be spying on Dan and Drago's training session. Later he and Trister helped out Dan battle Zenthon along with Shun and Taylean but are unsuccessful at defeating him. Later he watches Dan and Shun take on Sellon and Chris

In Tri-Twister Take Down, he and Shun battled the Tri-Twisters and their Cyclone Percivals before Sellon and Anubias interfered with the battle due to be three to two with Krowll and Horridian. When Dan battled Anubias to claim the crown, Drago lost control causing him and Shun to have a brief fight with Dan. In episode 7, he battled the Bash Brothers and their Bakunano and he was losing before Shun appeared and beat them.

In Chaos Control, Shun and Marucho talk about Dan. Shun makes it clear he does not care if Dan is in troble. Marucho however worries about Dan

In A Royale Pain, he tries to stop Shun from entering the Battle Royale, which fails. He then watches Shun team up with Paige and Rafe to stop Silent Strike, who wreaks havoc in Interspace. After he disappears, Shun and Marucho have a talk with Paige and Rafe who reveal themselves as Gundalian and Neathian, and tell them what Mechtogan really are. He then leaves after Rafe insults the Brawlers by calling them weak, and he has a meeting with his dad on quitting the Brawlers.

In Back In Sync, his father asks him to quit the Brawlers and help fix Interspace from a different viewpoint. But after a talk from Trister, Marucho decides not to quit. Then, he battles Jack Punt and wins the battle without losing any life points, making his father and Kato proud.

In Mind Search, he participates in the Capture the Flag challenge along with Shun, Rafe and Paige. During the challenge, Marucho tries to teach Rafe and Paige to not battle people to reduce violence. The Three of them face Ben, Robin and Jack. However Marucho leads Rafe and Page away from them. Later he beats all three members of Team Anubias by himself. As Marucho's plan succeeds and they win the flag (despite him losing to Sellon), he regains Rafe and Paige's trust and they become friends.

In Re-connection, he battles against Sellon and Shun. He wins against Sellon but loses to Shun. Throughout the battle, Marucho tries to convince Shun to stop battling as much. In the end, this worked and Shun and Marucho are reunited.

In Triple Threat, he congratulates Rafe and Paige for winning their battle. He also begins his battle against Anubias and Robin alongside Shun but the battle is interrupted by the chaos in Bakugan Interspace.

In Interspace Under Siege, he tries to stop the ensuing chaos in Bakugan Interspace by battling the Chaos Bakugan alongside Shun, Rafe and Paige. He sends a SOS to all the brawler allies and Spectra was the first one to receive it. He also received BakuNano Crosstriker from Rafe. Later him and the team battle the Bakugan used by Team Anubias and Team Sellon before Dan arrives.

In A Hero Returns, he stops Dan from using Drago and sends back the brawlers into the interior of BI. Paige and Rafe told Dan that while he was away, Marucho was the leader of the Brawlers (much to his surprise). He seems to be worried about Dan's attitude. After that, he goes with the Brawlers to save Gundalia from Mag Mel and the Chaos Bakugan.

In Gundalia Under Fire, he popped out of the interdimensional portal right at the Gundalian front lines. He then meets up with Ren. He later makes an ambush strategy. This fails because Mag Mel uses his ability to see through Dan. He uses Crosstriker only to be beat minutes later when Mag Mel and Razenoid arrive. He then hears about the 'gate and key' that Dan and Drago apparently posses.

In Battle Lines, he tells Dan to stay behind in while the rest of them continue to defend Gundalia. But Dan does not listen to him and goes on his own way, much to his anger. Later, when Dan battles Anubias and Sellon, he finishes off a pair of Mechtogan using Cannonfury and he and Dan start fighting until he receives a message from Ren, telling him that Rafe and Paige are gone. Marucho finds them to sneak into Mag Mel's castle. The group begins to argue but a Flash Ingram blasts them and they fall into the chasm below.

In Unlocking the Gate, he is angry after Rafe tells him that Dan went on his own way again, but after he convinces Marucho that Dan accepts his ideas and truly cares for him and the Brawlers, he starts crying. Later, he fights some Chaos bakugan and six Mechtogans used by Mag Mel, Anubias and Sellon alongside the brawlers (including Spectra). When the brawlers were having trouble with the Mechtogan's, Dan and Drago share their powers with the others and they summon their Mechtogan for each of the Brawlers and Marucho receives Aquos Accelerak for Trister. After that, they win the battle and Gundalia is saved. He and the other brawlers later accept Dan back as the leader of the brawlers.

In True Colours, he and the Brawlers returned to the Bakugan Interspace, to find in ruins. They were later attacked by the Chaos Bakugan, Anubias and Sellon. The Brawlers then found out Anubias and Sellon that they are artificial life force created by Mag Mel and that they work for Mag Mel. In the end, they were able to beat Sellon and Anubias. After the fight, they find out that the access point has been damage and are trapped inside Bakugan Interspace forever.

In Dangerous Beauty, he tried to figure out a way to repair an access point in Bakugan Interspace. He later watched Shun taking out a Flash Ingram while discussing what to do with Sellon. He also coached Rafe and Paige in defeating other Flash Ingrams that were invaded Interspace.

In Behind the Mask, he was struggling to find a way to get a message to the outside world. He was then approached by Dylan who would form a key and help Marucho get out a message to Kato and his Dad.

In Interspace Armageddon, he battled against the Chaos Bakugan and Mechtogan and started deleting Bakugan Interspace to get rid of Mag Mel and Razenoid.

In Dark Moon, he and Trister worked together to get a message to Dan and Drago about the gate and key. Razenoid knocked out Trister and harmed Marucho along with the other Brawlers. Marucho's plan worked as Dan and Drago broke free and lured Mag Mel and Razenoid to the Dark Moon.

In The Final Takedown, he continued his attempt to defeat the Razen Titans. In the end the Brawlers win.

Arc 2

Marucho in Arc 2 of Mechtanium Surge

In Evil Arrival, he battled an unknown brawler and Gunz, he beat the unknown Brawler, but lost to Gunz. He later battled Mechtavius Destroyer alongside Shun and Dan and was beaten, however Dan managed to defeat the Mechtavius Destroyer with his Dragonoid Destroyer.

In Wiseman Cometh, he battled alongside Dan and Shun to defeat the Nonets controlled by Wiseman as well as Mechtavius Destroyer. In this episode, he received an Aquos Blasterate.

In Mysterious Bond, he discussed the matter of Wiseman and his Bakugan with Mira and the others, and he was shocked to learn that Dan was battling Wiseman and the Darkus Nonets.

In Combination Impossible, He tries to cheer up Radizen after he finds out that Drago and Jaakor were able to do a combination while he still couldn't. Marucho would go to his father's power plant and tell Radizen that it didn't matter if he could fuse or not since he is still a strong Aquos battler. They are soon confronted by Wiseman, Radizen easily beats Wiseman's Bakugan Balista and Worton but they fuse into Volkaos giving Radizen a tough time. Roxtor then fuses with Radizen becoming Betakor and the two defeated the fused Bakugan. Marucho and Mira would then have a conversation how some things never change.

In Enemy Allies, he would battle alongside Shun and Dan and have Radizen fuse with Roxtor to battle against Wiseman's Mechtogan, but their combination was ineffective as both Shun and Marucho were defeated while trying to defend Dan who was already knocked out. He would hear Runo's voice as she sent Radizen a new Battle Suit. Together the brawlers would defeat Wiseman.

InGunz Lives he sees Gunz come back and meet Reptak. However Dan acts strange. When Shun and Marucho confront him, Dan says that Wiseman may be Gunz. Wiseman attacks the city which causes Dan, Shun and Marucho to confront him only to reveal it was a trap. Gunz takes Runo out and it was revealed that Gunz is Wiseman who steals the battle suits.


Bakugan Battle Brawlers

Bakugan Battle Brawlers: New Vestroia

  • Aquos Preyas (First Guardian Bakugan - Reunited with in episode 26)
  • Aquos Elfin (Third Guardian Bakugan - Received in episode 4)
    • Aquos Minx Elfin (Evolved Third Guardian Bakugan - Evolved in episode 27)
  • Aquos Akwimos (Fourth Guardian Bakugan - Digital Clone obtained in episode 52)
  • Aquos Tripod Epsilon (Bakugan Trap)
  • Aquos Wontu

Bakugan: Gundalian Invaders

Bakugan: Mechtanium Surge

Arc 1
Arc 2

Bakugan Dimensions

Former Bakugan


  • Marucho has had the most Guardians with two or one under his ownership, as Shun only had Ingram after Storm Skyress decided to stay in New Vestroia, Drago being Dan's only Guardian, and most of the other characters being absent from the events of other seasons.
  • Marucho is the youngest out of the 6 by 1–3 years.
    • Although Dan is said to be 12 in Battle Brawlers and 15 in New Vestroia and Shun is said to be 13 in Battle Brawlers and 16 in New Vestroia, Marucho is said to be 11 in Battle Brawlers and 13 in New Vestroia. It is possible that his birthday hadn't passed yet in which case, he might have turned 14 during the 6-month timeskip between Arc 1 and Arc 2 of New Vestroia
  • Marucho has a strong relationship with Ren, as he helped make Bakugan Interspace happen, before he learns that Ren lied to the Brawlers the whole time. As seen in Mechtanium Surge, they are still close friends.
  • The name Marucho comes from Marukura Choji.
  • He is one of the seven characters that have appeared in all four seasons; the other six are Dan Kuso, Drago, Shun Kazami, Julie Makimoto, Miyoko Kuso, and Kato.
  • His personality is similar to Rekuta from Duel Masters; he possesses a high level of intelligence, and he also tends to worry when an opponent pulls out a surprise ability that may nullify that of his own Bakugan, or surpass the power of the latter.
  • His personality is also similar to Kenny from Beyblade, and Kenny's Beyblade is called "Hopper", which is also Akwimos's Japanese name.
  • After season 1, Marucho's forehead birthmark became much less prominent.
  • Marucho is the only member of the Brawlers whose Guardians are from all worlds seen (Preyas, Elfin and Radizen from Vestroia/New Vestroia, Akwimos from Neathia, and Trister from Gundalia).
  • In the Japanese version of the anime, Marucho's Bakugan all speak with a Kansai accent with the sole exception of Radizen, in which speaks in a keigo accent.
  • Marucho shares some similarities with Yai Ayanokoji from MegaMan Battle Network. Both are the smallest, youngest, and richest of the team; they are also both blond.
  • Marucho's glasses resembles to Max (May's younger brother) from Pokemon Advanced, with both of them being geniuses.


Marucho is one of the strongest brawlers, even though he has an average win rating. However, he is still quite a strong brawler, improving his skills every season. Since the original series, he has been in the top 10 of the best brawlers and continues to maintain this place in the ranking in the following seasons. In New Vestroia, he single-handedly managed to defeat Hydron and Shadow, and in Mechtanium Surge, he defeated the main antagonist Wiseman.

Bakugan Battle Brawlers
Opponent Episode Outcome
Unknown Bralwers Offscreen Win
JJ Dolls (Tag with Dan) 7-8 Win
Takashi and Kosuke (Tag with Runo) 9 Win (wasn't shown)
Shun Kazami (Tag with Runo) 11 Lose
Klaus von Hertzon 17 Lose
Klaus von Hertzon, Chan Lee, and Julio Santana (Tag with Dan and Runo) 21-22 Win (eliminated) (due to Drago's evolution)
Masquerade (Tag with Shun, Runo, and Julie) 28 Lose (on purpose to find Dan)
Illusionary Marucho 30 Win
Dan Kuso 35 Lose
Hairadee and Tayghen (Tag with Dan, Shun, Runo, and Julie) 41 Win
Tayghen (Tag with the JJ Dolls) 46 Win
Centorrior and Druman (Tag with Dan, Runo, Julie, Klaus, Julio, Billy, and Komba) 50-51 Win
Hal-G (Tag with the Battle Brawlers) 52 Win (due to the power of Bakugan and humans)
Bakugan Battle Brawlers: New Vestroia
Opponent Episode Outcome
Mylene Farrow 4 Lose (saved by Shun)
Dan Kuso (Tag with Baron) 6 Not Shown
Unknown Darkus Brawler 8 Lose (on purpose)
Shadow Prove 10-11 Win (due to Elfin becoming Darkus)
Volt Luster 14 Lose (due to opponent using Haos and Darkus)
Mylene Farrow and Shadow Prove (Tag with Shun) 22-23 Win
Spectra Phantom (Tag with Dan and Mira) 31 Win (due to perfect core ability) (eliminated)
Hydron and Shadow Prove 35 Win (due to land pressure being flipped) (lost his attribute energy)
Shadow Prove and Lync Volan (Tag with Ace) 40 Lose (due to trap field)
Zenoheld (Tag with The Resistance, Spectra, Gus, and Hydron) 51-52 Win
Bakugan: Gundalian Invaders
Opponent Episode Outcome
Bakugan Interspace Brawlers Offscreen Win
Sid Arkale and Lena Isis (Tag with Dan) 2 Win (due to Drago's Battle Gear level 2) (eliminated)
Ren Krawler 7 Win (due to Gigarth's power)
Sid Arkale and Casey (Tag with Jake) 8 Win
Aquos Megarus 14 Win
Stoica 14 No Outcome (opponent got teleported away)
Airzel and Mason Brown (Tag with Jake) 15 No Outcome (retreated)
Nurzak and Ren Krawler (Tag with Fabia) 19 No Outcome (opponents retreated due to the sacred orb getting mad)
Brainwashed Brawlers (Tag with Dan, Shun, Fabia, Jake, and Castle Knights) 22 Win
Brainwashed Brawlers (Tag with Jake) 22 Not shown
Aquas Scaboid and Megarus (Tag with Jake) 24 Win
Stoica and Gill (Tag with Jake) 24 No outcome
Stoica 25 Lose
Gundalian Bakugan (Tag with Dan and Shun) 30 Win
Gill and Airzel (Tag with Shun) 30 Lose
Jake Vallory 33 Draw (building collapsed)
Airzel 34-35 No Outcome (retreated)
Gill, Kazarina, Stoica, and Airzel (Tag with the Battle Brawlers) 36 Win (due to Drago's rage)
Zenet Surrow 37 No Outcome (opponent broke free from hypnosis)
Barodius, Stoica, Airzel, and multiple Gundalian Soldiers (Tag with the Battle Brawlers, the Gundalian Agents (except Sid), the Castle Knights, and Nurzak) 37-38 Lose (due to Dharak's new power)
Bakugan: Mechtanium Surge
Opponent Episode Outcome
Bakugan Interspace Brawlers Offscreen Win
Jack Punt 2 No Outcome (interrupted by Zenthon)
Zenthon 2 Lose
Zenthon (Tag with Dan and Shun) 4 No Outcome (opponent teleported away)
Tri-Twisters (Tag with Shun) 5 No Outcome (interrupted by Anubias and Sellon)
Dan Kuso (Tag with Shun) 6 No outcome
Bash Brothers 7 Lose
Jack Punt 11 Win (due to his brainpower)
Ben, Jack Punt, and Robin (Tag with Paige and Rafe) 12 No Outcome (retreated)
Ben, Jack Punt, and Robin 12 Win (due to outsmarting his opponent's)
Sellon 12 Lose (due to Daftorix trapping Tristar)
Sellon 13 Win (Sellon lost on purpose)
Shun Kazami 13 Lose
Anubias and Robin (Tag with Shun) 14 No Outcome (interrupted by the Chaos Bakugan)
Chaos Bakugan (Tag with Shun, Rafe, and Paige) 15 Win
Anubias and Sellon (Tag with Shun, Rafe, Paige, and Spectra) 15 No Outcome (interrupted by Dan)
Zenthon (Tag with Shun, Rafe, Paige, and Spectra) 16 Lose
Chaos Bakugan (Tag with Dan, Shun, Rafe, Paige, Ren and Gundalian Soldiers) 17 No outcome (interrupted by Mag Mel)
Mag Mel (Tag with Dan, Shun, Rafe, Paige, Ren and Gundalian Soldiers) 17 Lose
Cyclone Percival 18 Win
Anubias and Sellon (Tag with Dan and Shun) 18 Win (due to Cannonfury's power)
Chaos Bakugan (Tag with Shun, Rafe, and Paige) 19 Win
Mag Mel, Anubias, and Sellon (Tag with the Battle Brawlers) 19 Win
Chaos Bakugan (Tag with Dan, Shun, Rafe, and Paige) 20 No outcome (interupted by Anubias and Sellon)
Anubias and Sellon (Tag with Dan, Shun, Rafe, and Paige) 20 Win
Chaos Bakugan and Mechtogan army (Tag with the Battle Brawlers (except Spectra), Team Anubias, and Team Sellon) 24 Win (retreated)
Chaos Bakugan, Dreadeon clones, and Razen Titan army (Tag with the Battle Brawlers, Team Anubias, and Team Sellon) 25 Win
Mag Mel (Tag with Rafe and Paige) 25 Lose
Razen Titan, Dreadeon Clones, and Chaos Bakugan Army (Tag with the Brawlers (except Dan), Team Anubias, Team Sellon, and Gus) 26 Win
Unknown Bralwers Offscreen Win
Unknown Subterra Brawler 27 Win
Gunz Lazar 27 Lose
Coredegon, Slycerak, Exostriker, and Mandibor (Tag with Dan and Shun) 27 Win (eliminated)
Wiseman (Tag with Dan and Shun) 28 Win
Wiseman (Tag with Mira) 31 Win (borrowed Roxtor by accident)
Wiseman (Tag with Dan and Shun) 32 Win (due to Runo's help)
Dan Kuso 35 No outcome (interrupted by Wiseman)
Wiseman (Tag with Dan and Shun) 35 No Outcome (opponent retreated)
Wiseman (Tag with Dan and Shun) 36 Lose (due to Mechtavius Destroyer's power)
Wiseman (Tag with Dan and Shun) 37 Win
Slycerak, Exostriker, and Mandibor (Tag with Dan and Shun) 39 Lose
Wiseman (Tag with Dan and Shun) 40 Lose (due to opponent revealing his true form)
Coredegon, Slycerak, Exostriker, and Mandibor (Tag with Dan and Shun) 41 Lose
Mechtavius Destroyer (Tag with Dan, Shun, and Gunz) 45-46 Win (due to human and Bakugan bond)