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That dude has no heart! Not only did he betray little Maruch but now he's rubbing his face in it!
—Jake about Ren betraying Marucho, In True Colors

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Jake Vallory (ジェイク・ヴァレリ, Jeiku Vareri?) was a character in Bakugan: Gundalian Invaders. He became a new friend of Dan when Dan arrived at Bayview. He used Coredem and Rock Hammer, and was a Subterra Brawler. He is voiced by Dan Petronijevic, the same voice actor for Julio Santana, Spectra Phantom, and Marduk.


Jake is big hearted and very brave, he is sometimes headstrong, often using brawn instead of brain, and sometimes is a little scared when shown the elements of Bakugan. He has a great admiration of Dan to which he gives him the nickname "Dan the Man" ("Aniki" in the Japanese version), occasionally implementing rhymes as well, something that displeases Dan.

He first meets Dan when he moves to Bayview, he goes to Dan's high school, and he plays football.


Bakugan: Gundalian Invaders

In A New Beginning, Jake goes with Dan to Bakugan Interspace for the first time. Here he meets Marucho, who offers Jake Haos Aranaut or Subterra Coredem as his first Bakugan. He chooses Coredem, but discovers it is a synthetic Bakugan and cannot talk, much to his disappointment. He stares sadly at Drago, who replies, "Quit staring at me like that. It's creepy." He later meets Ren and goes to watch Shun's battle with the Brawlers. Ren then informs Jake that he's scheduled his battle against Dan, while it turns out the battle was Dan against Ren himself. Jake then watches the rest of the battle with Marucho and Shun. The fight ends up having no outcome.

Jake in his Castle Knight uniform

In Revelation, it is revealed that Julie Makimoto is one of the cheerleaders for his American Football team. Ren later tells the team that he is a Gundalian from the planet Gundalia. He later watches the battle between Dan and Marucho against Sid Arkale and Lena Isis. Dan wins in the end

When Fabia first appears in The Visitor, Jake thinks Dan is talking about a giant. Jake and the others then learn that their Bakugan are really from Neathia.

In Brawler To Be, Jake battled Dan for a practice and lost. He and the others later saw Mason Brown battle a random kid and win. Dan then decided to battle him and everyone cheered. But when Jake wanted to battle to show that he is a real Battle Brawler, everyone booed because they wanted Dan to brawl Mason. He was defeated by Mason's Avior. Julie offered to give advice to Jake at the football field. Thanks to Julie, he and Coredem were able to defeat Mason and Avior in a rematch.

In True Colours, he finds out Ren was lying about the Neathian-Gundalian War the whole time.

In Hostile Takeover, Jake is finally partnered with the real Subterra Coredem, something that made him very happy due to his long desire to have a talking Bakugan. 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.

In Twin Attack, Jake and Dan volunteered to go into Bakugan Interspace to do inspection on the Gundalians and Dan challenged Ren for a battle but instead, the two went a brawl against two hypnotized twin brothers and took the victory.

In The Sacred Orb, He went to Neathia and was awarded the position of a Neathian Castle Knight after battling Nurzak and Sabator.

He battled Airzel and Mason with Marucho in Decoy Unit,in order to buy enough time for Dan, Shun and Fabia to bring the Second Shield back online. Later as they were losing they fled the scene after Marucho freezes Avior and Strikeflier, distracting them.

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

In Curtain Call, he runs off into the Neathian jungle after getting into an argument with Dan. Soon afterward he is found by Fabia, who convinces him to return to the main town but before they can Jesse and Ren challenge them to battle. After harshly losing to Jesse in the first round he and Fabia end up defeating them in the next two, ensuring their victory and allowing them to head back to the Neathian Capital.

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

In Colossus Dharak, he helped Marucho fight off the Scaboids and Megarus, but when Gill and Stoica attacked him and Marucho, he ended up fighting Gill instead.

In Dragonoid Colossus, he continues to fight Gill, but loses to him.

In Forgiveness, he watches Ren become a Castle Knight after he lost to Fabia.

In Into the Storm, he tried to find a human boy named Robin, who had supposedly escaped the Gundalians and was looking for his sister. However, Robin was just another child brainwashed by the Gundalians and it was all a trap to capture and brainwash Jake. Kazarina defeated him and took him back to Gundalia with her. Before that, he said that he failed Dan and his friends after he ignores Dan's orders and discussions with him.

Jake, under Kazarina's hypnosis

In Jake Returns, he's taken to Kazarina's lab and is hypnotized by her and sent back to Neathia to plant a virus in the third shield. However, Dan set a trap for him when he realized that Jake was acting suspiciously. He set a secret teleporter pad that sent him into the middle of nowhere and the two battled. Using a powerful Ability Card that doubles Coredem's power level, he nearly beat Dan until Shun stepped in and the two defeated him. However, he was still brainwashed and taken back to Gundalia again. He might have been thought to be the new Subterra brawler for the Twelve Orders. Under the hypnotism, his eyes changed and he also displays a wide, ghoulish grin in most situations.

In True Evolution, he made an appearance in the end being summoned by Emperor Barodius due to Dan asking for Jake. He said that Gundalia is his brand new home.

In Redemption, he tackled Dan and locked him in jail to be hypnotized by Kazarina.

In Jake's Last Stand, he was seen briefing the Gundalian soldiers on how to beat the Brawlers. He later battled Marucho, utilized Rock Hammer and ended the battle with a tie. He disappeared when the foundation of the building started to collapse.

In Final Strike, Kazarina offered Jake to vaporize Dan, but he couldn't bring himself to do it, so Kazarina decided to do it herself.

In Dream Escape, he and Coredem snapped out of Kazarina's hypnosis and rescued Dan and Drago. He, Dan and Fabia then fight Kazarina only to lose to her.

In Gundalian Showdown, he battled Airzel, Gill, Stoica and Kazarina along with Dan, Shun, Marucho, Fabia and Ren. They then returned to Neathia.

In Broken Spell, he battles Lena until Kazarina's death snaps her out of hypnosis. After the minor Twelve Orders join the Castle Knights, they all get ready to brawl Phantom Dharak.

In Code Eve, he fights Airzel and many Gundalian Bakugan, but he and Coredem are brutally defeated by Barodius and Phantom Dharak.

In Destiny Revealed, he is healed by Linehalt's forbidden power and later says goodbye to Coredem, the Neathians and the Gundalians, before Aranaut teleports him, Dan, Shun and Marucho back to Earth. He gets extremely emotional when saying goodbye to Coredem, even crying hysterically.

Bakugan: Mechtanium Surge


After separating from Coredem, Jake decided to retire from Bakugan and is no longer with the Battle Brawlers at the start of Mechtanium Surge. He makes a single cameo in Back In Sync, in a photo with Fabia and Ren when Marucho was reflecting on the good old days of the Battle Brawlers.

Bakugan Dimensions


Bakugan: Gundalian Invaders

Bakugan Dimensions


  • Jake so far is the only male Subterra brawler that was a main character (although Gus Grav was one of the leading Vestal Subterra Brawlers for the second season).
  • Early leaks suggested that Jake's last name would be "Rockwell", a pun on his Subterra attribute.
  • In the Japanese dub, Jake nicknamed Dan "Aniki" which means "Big brother." In Japanese culture, in common yakuza slang, "Aniki" is a term used for a yakuza of older or senior rank within the family, and is said as a title of respect from a lower ranking family member to a higher.
  • Jake is similar to Baron in that they both have big hearts, are unusually more muscular for their age, and have little experience in brawling.
  • Jake is similar to the Yu-Gi-Oh! GX character, Tyranno Hassleberry, as both have a similar hairstyle, both are muscular, and both admire the main protagonist.


Jake was an amateur brawler. He used to only want to battle the way Dan battles which proved to be pointless and a disaster. Thanks to Julie's help, Jake found his own style of battling which works for him. Although not the best, he can still hold his own in battle. Most of his battles have been losses though.

Opponent Episode Outcome
Dan Kuso 4 Lose (due to inexperience)
Mason Brown 4 Lose (due to inexperience)
Mason Brown 4 Win (due to Julie's help)
Sid Arkale and Casey (Tag with Marucho) 8 Win
Sein Pam and Lewin Pam (Tag with Dan) 9 Win
Nurzak 14 No Outcome (opponent got teleported away)
Airzel and Mason Brown (Tag with Marucho) 15 No Outcome (retreated)
Ren Krawler and Jesse Glenn (Tag with Fabia) 18 Win
Brainwashed Brawlers (Tag with Dan, Shun, Fabia, Marucho and Castle Knights) 22 Win
Brainwashed Brawlers (Tag with Marucho) 22 Not shown
Gundalian Bakugan (Tag with Dan and Shun) 24 Win
Aquos Scaboids and Megarus (Tag with Marucho) 24 Win
Gill and Stoica (Tag with Marucho) 24 No outcome
Gill 25 Lose
Kazarina 27 Lose
Dan Kuso and Shun Kazami 28 Lose
Marucho Marukura 33 Draw (building collapsed)
Kazarina (Tag with Dan and Fabia) 35 Lose (opponent blinded him)
Gill, Kazarina, Stoica, and Airzel (Tag with the Battle Brawlers) 36 Win (due to Drago's rage)
Lena Isis 37 No Outcome (opponent broke free of hypnosis)
Barodius, Stoica, Airzel, and various Gundalian Soldiers (Tag with the Battle Brawlers, the Gundalian Agents (except Sid), the Castle Knights, and Nurzak) 37-38 Lose