Tomoharu Takeo, known by his stage name Ryūsei Nakao, is a Japanese actor, singer and voice actor. He is attached to 81 Produce and worked under the name of Tomoharu Minamiya. He is married and has a son and a daughter.
His voice tends to land him in the roles of characters with high-pitched voices and sadistic personalities. As a voice actor, he is best known for his roles in Soreike! Anpanman, Dragon Ball series, Touch, Niko Niko Pun, Do-Re-Mi-Fa Donuts, Hotch Potch Station, Moomin, Topo Gigio, Bleach and currently One Piece.