During Jaden Yuki's first year at Duel Academy, the Duel Spirit of Dark Magician Girl appeared, although many people were convinced it was someone dressed as her. She dueled and was defeated by Jaden.
Known costume dress-ups
The following costume dress-ups are seen.
- Chazz Princeton - XYZ-Dragon Cannon
- Bastion Misawa - Amazoness Tiger
- Alexis Rhodes, Mindy, and Jasmine - Harpie Lady Sisters
- Ms. Dorothy - Dark Magician Girl
- Jaden Yuki - A combination that involves the hat of Saggi the Dark Clown, the body suit of Breaker the Magical Warrior, the shoulder pads of Celtic Guardian, and the shield of Gearfried the Iron Knight