Ootomo Ryuuzaburou was born May 18, 1952 in Tokyo, Japan. He is a voice actor (seiyuu), actor and narrator previously affiliated with Haikyou, 81 Produce and Aoni Production.
He is best known for the roles in Bakusou Kyoudai Let's & Go!! (as Doctor Oogami), Digimon Adventure (as Myotismon), Mahoujin Guru Guru (as the second voice of Lord Giri), Dragon Ball Z (as Dabra), Mirai Sentai Timeranger (as Don Dornelo) and One Piece (as Sir Crocodile).