Cycloid (Generation 1)

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For the Armored Alliance version, see Cycloid (Generation 2).
Cycloid Ball.jpg
Attribute Subterra Subterra
Power 370 -> 500 Gs
First appearance A Perfect Match
Voiced by Tsuguo Mogami

Cycloid, Cyclops (サイクロプス, Saikuropusu?) in the Japanese verison, is a cyclops-like Bakugan equipped with a large hammer made of stone. In the anime, he is the Partner Bakugan of Billy Gilbert.


Cycloid is a titan like beast. He is incredibly strong, tough and eager for the fight. He has a single terrifying eye with a short deadly horn on his forehead and two vampire-like teeth. He finds humans both confusing and amusing.[1]

Bakugan Official Handbook[edit]

This is one eye-normous Bakugan! The colossal Cycloid carries a huge hammer in his right hand. When Cycloid swings its hammer, brace yourself. This powerful Bakugan packs quite a wallop.[2]

Bakugan: Ultimate Handbook[edit]

Just like the legendary monster Cyclops, Cycloid has one lone eye in the middle of his forehead. He's also a gigantic brute with super strength. Cycloid attacks with the horn on his head and his large club. This big brute is always up for battle![3]


Bakugan Battle Brawlers[edit]

Cycloid was found by Billy near the center of Bakugan Valley. Their debut was marked by a victory against another Subterra Brawler, Julie Makimoto.[4] He and Billy are later tasked by Masquerade to defeat Dan Kuso.[5] After they and the rest of the Top Brawlers ambush the Battle Brawlers, they lose to Shun and Julie.[6] Billy and Cycloid get a rematch with Julie in Germany, though as they are about to send Gorem to the Doom Dimension, Billy has a change of heart and removes the Doom Card, and later quits Masquerade's team.[7] After a loss to Masquerade, Cycloid is sent to the Doom Dimension.[8] Eventually The Top Brawlers are all reunited with their respective Bakugan. Cycloid is later teamed up with Gorem to fight against Rabeeder[9], and then Tricloid[10], successfully defeating both of them. He also helps the Brawlers battle against Centorrior and Druman.[11][12]

Ability Cards
  • Right Giganti: Adds 100 Gs to Cycloid.
  • Left Giganti (Smack Down, Sinister Smash): Nullifies the opponent's Gate Card.
  • Stare Down: Subtracts 50 Gs from every opponent Bakugan in the Stare Down perimeter.
  • Grand Slide: Moves the opponent's Gate Card.
  • Copycat: Copies the opponent's ability.

Bakugan: New Vestroia[edit]

Cycloid's power level is increased to 500 Gs upon returning to New Vestroia. He partners with Hammer Gorem against Ace's Knight Percival and Flash Falcon Fly in the newly completed Bakugan Interspace virtual chamber. Ace manages to defeat him and Hammer Gorem despite the odds.[13]

Ability Cards
  • Boom Hammer: Nullifies the opponent's ability.
  • Gigantic Hammer: Transfers 200 Gs from the opponent to Cycloid.
  • Skeet Punch: Adds 400 Gs to Cycloid.
  • Rocky Punch: Subtracts 200 Gs from each opponent.
  • Stealth Swing: Reflects the opponent's ability.
  • Stared Evil Eye: Allows Cycloid to see hidden Bakugan (for example Bakugan hidden underground)

Ability Card (Bakugan Video Game)

  • Right Giganti: Adds 200 Gs to Cycloid.

Physical Game[edit]



Image Available G-Power Treatment Available in Notes
Screen shot 2011-06-05 at 5.57.52 PM.png
  • 330 Gs
  • Booster Pack (Series 2)
  • Starter Pack (Series 2)
  • 400 Gs

Image Available G-Power Treatment Available in Notes
B1 Ventus Cyclops.jpg
  • 450 Gs
  • 580 Gs
  • Booster Pack (Series 2)[15]
  • Starter Pack (Series 2)

Image Available G-Power Treatment Available in Notes
  • 570 Gs
  • Booster Pack (Series 2)[17]
  • Starter Pack (Series 2)

Image Available G-Power Treatment Available in Notes
Screen shot 2011-06-05 at 5.58.58 PM.png
  • 250 Gs
  • Booster Pack (Series 2)[18]
  • Starter Pack (Series 2)

Image Available G-Power Treatment Available in Notes
Darkus Cycloid.jpg
  • Booster Pack (Series 2)
  • Starter Pack (Series 2)
  • 390 Gs

Image Available G-Power Treatment Available in Notes
  • 510 Gs
  • Booster Pack (Series 2)[20]

North America[edit]

A Darkus version comes with 390, 510, 540, or 570 Gs, a Haos version comes with 250 Gs, a Ventus version comes with 350, 450, 550, or 580 Gs, and a Clear version comes with 510 Gs.


In Japan, the Subterra version in BCV-03 comes with 400 Gs or 440 Gs.

Trading Card Game[edit]

Image Card Name Card Type Card Series
BA145 GA SM cycloid F.png
Cycloid Gold Gate Card 13/48
BA289 AB ground 46.png
Ground Green Ability Card 46/48c

Video Games[edit]

Bakugan Battle Brawlers[edit]

Cycloid is available in the video game Bakugan Battle Brawlers. Subterra Cycloid is unlocked after winning a tag battle with Julie as your partner.

Bakugan Battle Brawlers: Battle Trainer[edit]

Cycloid is available in Bakugan Battle Brawlers: Battle Trainer. Subterra Cycloid is unlocked after beating Arena 10.

Bakugan: Defenders of the Core[edit]

Cycloid does not make an actual appearance, but is a possible figure in the Collector's Edition of the game.


  • He is one of a few Bakugan in the anime who have a fully animated mouth.
  • In the video game, his Ability Card is misspelled Right Giganto, instead of Right Giganti.
  • In ball form, his feet are switched and face front from back instead of left and right.