- Cyber Soldier of Darkworld
- Cyber Tutu
- Cyber Twin Dragon
- Cyber-Tech Alligator
- Cyberdark Dragon
- Cyberdark Edge
- Cyberdark Horn
- Cyberdark Keel
- Cycroid
- D.3.S. Frog
- D.D. Crazy Beast
- D.D. Esper Star Sparrow
- D.D. Jet Iron
- D.D. Sprite
- D.D. Unicorn Knight
- D.D. Warrior
- D3
- Daigusto Phoenix
- Damage Mage
- Dancing Fairy
- Dandylion
- Dark Assailant
- Dark Bat
- Dark Blade