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Coredem (コアデム, Koademu?) is a golem-like Bakugan that looks similar to Gorem and Clayf. He is the Guardian Bakugan of Jake Vallory in Bakugan Battle Brawlers: Gundalian Invaders.



Coredem is partners with Jake of the Battle Brawlers. His defense and attack mode is grounded and solid. He punches the ground to destroy a Gate Card. The blue lens on Coredem's chest lights up the lines on his body, which runs through his arms to the fists powering them up for massive energy punches that hit the ground and makes rocks float up in the air, then punches them again and uses them as projectiles to smash the enemy. A dimensional hole in his palms absorbs all energy from an attack. His Battle Gear is Rock Hammer. The helmet-like structure on his head closes up during battle.


Bakugan: New Vestroia[]

Coredem first appears in episode 43 along with Aranaut, Hawktor, and Akwimos when they somehow appear in Bakugan Interspace as Phantom Data.

Coredem and Hawktor battled Dan in episode 45 with Spectra as their temporary owner to test Dan for which Battle Gear Drago would be compatible with. Drago and Dan won and both Hawktor and Coredem were beaten. He also used a Battle Gear called Rock Hammer.

Bakugan: Gundalian Invaders[]

IMG 0365

Coredem in the anime

It is revealed during episode 1 that Coredem and Aranaut were still in Marucho's possession until Dan introduces him to Jake, a beginner brawler. As a gift, Marucho offers him either Aranaut or Coredem and Jake chooses Coredem over Aranaut as his Guardian Bakugan. However, as Coredem was a Cloned Bakugan, he could not talk, something that disappointed Jake. In addition to Coredem, Jake also received the Battle Gear Rock Hammer. At first, Jake was a weak brawler, but then Julie Makimoto helped him out.

In The Visitor, he appeared in Marucho's flashback along with Hawktor, Akwimos, and Aranaut.

In episode 4, he battled Helix Dragonoid but lost to him. Later, he fought Avior twice. It lost the first battle but won the second one thanks to Jake's strategies and Rock Hammer.

In True Colours, Coredem appeared in a flashback in ball form along with Aranaut and Hawktor and during battle.

The real Coredem appeared in episode 8. He fought Rubanoid and Buz Hornix alongside Akwimos using Rock Hammer and won. Coredem and Akwimos also used a Gate Card and became Darkus-attributed.

In Twin Attack, Coredem was introduced to Dan's mother like the rest of the Neathian Bakugan and Fabia.

In episode 9, Dan, Jake, Drago, and Coredem battled two twins under hypnosis and Coredem called Drago, "brother", they won, so they snapped the kids out of it, taking their Ziperator and Ramdol in the process.

In episode 14, he brawled against Sabator with him calling the later his worst nightmare. The two brawled in a head-to-head clash and Nurzak realized Sabator was evenly matched in the battle. Sabator managed to knock him opponent down. The fight had no outcome when the Gundalians all got transported away due to the orb

In episode 15, he teamed up with Akwimos and battled Strikeflier and Avior. They were getting hammered until Akwimos used an ability, which froze them both inside of ice crystals, to make the battle end without an outcome.

In episode 18, he and Aranaut battled and defeated Linehalt and Plitheon, despite losing in the 1st round.

He was shown beating Gundalian Bakugan alongside Lumino Dragonoid, Hawktor, Akwimos and Aranaut in Mobile Assault.

He appeared again in episode 24 and 25 fighting of Gundalian Bakugan with Drago and Hawktor. He later helped Akwimos beat Aquos Scaboids and Megarus. He then battled Krakix and Vicer with Rock Hammer but still lost in episode 25.

In episode 27, he battled Lumagrowl which used Barias Gear and he used Rock Hammer. He still lost both rounds even when he gave it his all.

In episode 28, he was brainwashed by Kazarina and later on he battled against Lumino Dragonoid under the hypnosis of Kazarina. Under her hypnosis, he became more animalistic and couldn't even speak, just making grunts and noises. He lost the first round but in the second round, he was winning thanks to the Advanced Fusion Ability that Kazarina gave Jake until Hawktor came in and helped Drago beat him.

In episode 33, he battled Akwimos and used Rock Hammer, but in the end, it was a tie.

In episode 35, he and Jake broke free of Kazarina's hypnosis and he smashed his way through the tube where Drago was being held. He Drago and Aranaut teamed up against Lumagrowl but lost to him.

In episode 36 he fought against Lythirus, Lumagrowl, Strikeflier, and Krakix alongside Blitz Dragonoid, Akwimos, Hawktor, Linehalt, and Aranaut before heading back to Neathia.

In Broken Spell, he battled Phosphos who was brainwashed by Kazarina. After Kazarina's death Ren's old team joins the Neathians.

In Code Eve,He battled Phantom Dharak, Strikeflier, Lythirus and other Gundalian Bakugan alongside Linehalt, Phosphos, Plitheon, Raptorix, Contestir, Akwimos, Hawktor, Rubanoid, Blitz Dragonoid, Dragonoid Colossus and other Neathian Bakugan and was joined later by Sabator, Aranaut and Avior. He fought against Phantom Dharak alongside Linehalt, Akwimos, Hawktor, and Drago but was defeated with one hit.

In Destiny Revealed, he was revived by Linehalt's "Forbidden Power". He is later saying goodbye to Jake while trying to get Jake to stop crying so hard.

Ability Cards
  • Phantom Blow: Adds 400 Gs to Coredem.
  • Scale Arrow: Subtracts 300 Gs from the opponent.
  • Core Knuckle: Adds 300 Gs to Coredem.
  • Dimension Fall (Dimension Vortex): Nullifies the opponent's ability.
  • Armored Exia: Absorbs the opponent's ability.
  • Plate Shield: Nullifies the opponent's ability.
  • Sling Exia: Subtracts 500 Gs from each opponent.
  • Hammer Blow: Transfers 300 Gs from the opponent to Coredem.
  • Crush Arrow (Rock Arrow): Transfers 400 Gs from the opponent to Coredem.
  • Change Exia: Reflects the effect of the opponent's Gate Card.
  • Rippling Stream (Japanese version: Rolling Stream): Subtracts 400 Gs from the opponent.
  • Counter Exia: Nullifies the opponent's gate card.

Fusion Ability Cards

  • Advanced Fusion Ability: Doubles (or triples) Coredem's abilities doubles/triples the effects as well as being able to nullify the opponent's ability, with the risk of losing Coredem's life due to the ability pushing Coredem to his limits.


Patryciusz Patryk Jan Cesarz 7809 (9)

Coredem is first released in the BakuSpin packs, in Subterra, Aquos and Pyrus, all of the 3 are translucent. Coredem is Bakugan Battle Gear compatible.

The Pyrus version comes in four variations, with 610 Gs in BakuTin/BakuTriad, 730 Gs Translucent in BakuSpin, 720 Gs BakuBoost and 630 Gs in Game Packs. The Subterra version comes in eight variations, with 640 and 650 Gs in BakuTriad, 680 Gs and 700 Gs Evil Twin Pack, 750 Gs Translucent in BakuSpin, 760 Gs in Combat Set, 780 Gs in BakuBoost and 740 Gs in the Character Pack. The Haos version comes in only one variation, with 610 Gs in BakuTriad. The Darkus version comes in three variations, with 760 Gs in BakuShadow, 850 in Walgreens combo packs and in a Wave 2 BakuBoost 800 Gs. The Aquos version comes in only one variation, with 740 Gs Translucent in BakuSpin. The Ventus version comes in only two variations, with 640 Gs in Game Pack and 650 Gs in BakuTriad.

In Japan, the Subterra version in GP-001 comes with 560 G.


  • The helmet-like structure on Coredem's head closes up during battle, looks much like Optimus Prime from the live action Transformers movies.
  • Coredem's appearance in Bakugan form shares many physical traits with the 5th Paladin.
  • His abilities ending with "Exia" may be a reference to GN-001 Gundam Exia of Mobile Suit Gundam 00.
  • Each time Coredem is equipped with his Battle Gear, his pupils seem to disappear.
  • Coredem is the first and only Bakugan to use an Advanced Fusion Ability.
  • Coredem's personality in episode 28 was similar to that of Preyas after Klaus brought him back from the Doom Dimension.