Cosplay

Cosplay, short for costume roleplay, as an act common to anime, manga and video game fandoms, where fans dress themselves as characters.

Throughtout the Yu-Gi-Oh! anime series, characters have dressed as Duel Monsters' characters.
 * In the Yu-Gi-Oh! second series anime, althought not strictly cosplay, Yami Bakura trapped Yugi and his friends in their Duel Monsters cards.
 * During a dream, Téa was calld on stage by the Dark Magician Girl and dressed as her.
 * In Yu-Gi-Oh! GX, on Duel Monster Spirits' Day, people dressed as Duel Monsters for a festival.