Kazuya Tatekabe (たてかべ和也, Tatekabe Kazuya; July 25, 1934 – June 18, 2015) was a Japanese actor, voice actor, and talent manager from Kimobetsu, Hokkaidō. He was represented by Kenyu Horiuchi's Kenyu Office until the time of his death. Until 1977, he performed under his birth name Kazuya Tatekabe (立壁 和也, Tatekabe Kazuya). He is most known for the roles of Takeshi "Gian" Gōda (Doraemon), Warusa (Time Bokan), and Tonzura (Yatterman).
Source: “Kazuya Tatekabe”, English Wikipedia (CC BY-SA 4.0), excerpt