Daimon

The butler of Seto Kaiba. In the manga he is a sadistic man who served as both the butler at Kaiba Manor and the orchestrator of the Electric Chair Ride in Death-T.

In the Toei anime he is a humble old man who despite Kaiba's ruthlessnesss, had faith that his master would find his heart.

In the Duel Monsters anime he was once Gozaburo Kaiba's butler. After his death, he became the butler of Gozaburo's successor, Seto Kaiba, and aided in the kidnapping of Mutou Sugoroku.

While he is unnamed in the manga and the Japanese version of the Duel Monsters anime, he is given a name in the Toei anime and the English dub of the Duel Monsters anime.