Tadao Oka (岡忠夫, "Oka Tadao", April 1, 1948 {age 73}, Fukushima Prefecture - ) is a Japanese bass player for Japan's Group Sound band, The Carnabeats. His real name was Motonari Takano (高野元成, "Takano Motonari") and had two nicknames, Dende (デンデ, "Dende") and Goldfish (金魚, "Kingyo"). 