Takashi Tezuka (手塚 卓志, Tezuka Takashi, born November 17, 1960; also known as "TENTEN" (てんてん) is a Japanese video game designer, director, and producer. He is a senior officer in Nintendo's Entertainment Planning & Development division and an executive officer at Nintendo itself. Tezuka was the right-hand man to Shigeru Miyamoto and co-director of the early Mario and Zelda games.