- Cat Girl Magician
- Catapult Turtle
- Catnipped Kitty
- Cave Dragon
- Celri, Monk of Dark World
- Celtic Guardian
- Centaur Mina
- Chachaka Archer
- Chain Resonator
- Chainsaw Insect
- Changer Synchron
- Chaos Core
- Chaos Emperor Dragon - Envoy of the End
- Chaos King Archfiend
- Chaos Necromancer
- Chaos Phantasm Armityle
- Chaosrider Gustaph
- Chevalier de Fleur
- Chewbone
- Chewbone Jr.
- Chimera the Flying Mythical Beast
- Chimeratech Fortress Dragon
- Chimeratech Overdragon
- Chiron the Mage