Dr. Root is a mad scientist who is Boy George's boss and an expert duelist. Outside of that, he also a human-resembling robot named Mr. Perfect and a pilotable giant robot. His eccentric methods always have some hidden lesson to help Shobu and his friends. Dr. Root's real name is Leroy. In Duel Masters Zero, he takes charge of training Shobu and his friends. He has a deck of Survivors in season 1 and in charge he has a Darkness/Water deck similar to Boy George's deck.