Tomoharu Takeo, known by his stage name Ryūsei Nakao (中尾 隆聖 Nakao Ryūsei), is a Japanese actor, singer, and voice actor, who is attached to 81 Produce. He has also worked under the name of Tomoharu Minamiya (南谷 智晴 Minamiya Tomoharu). He is married and has a son and a daughter.
His most notable voice roles outside Disney include Baikinman from the Anpanman franchise and Frieza in the Dragon Ball franchise.
- Beauty and the Beast: The Enchanted Christmas - Fife
- Brandy & Mr. Whiskers - Mister Frisky
- Darkwing Duck - Darkwing Duck/Drake Mallard
- Dinosaur - Zini
- House of Mouse - José Carioca and Ling
- Lady and the Tramp - Tramp
- Lady and the Tramp II: Scamp's Adventure - Tramp
- Mulan - Ling
- Mulan II - Ling
- Star Wars: The Clone Wars - Ziro the Hutt
- The Three Caballeros - José Carioca
- Beverly Hills Chihuahua - El Diablo