Skull Knight (character)

The Ancient Brain AKA Skull Knight known in Japan as Skull Bishop is the first of the five Duelists of Death whom Axel duels in an effort to free a rebellious village. He infiltrated the village as Ancient Brain alongside a Guardian of the Labyrinth and fought Axel when he exposed him. Skull Knight was eventually defeated.

Deck
Skull Knight plays a Lycanthrope Deck, which focuses on dealing damage with the effect of the deck's cornerstone card, "Lycanthrope", by gathering Normal Monsters in the graveyard in order to bolster the aforementioned ability.