Ken Watanabe

Watanabe was born in Koide, Niigata. His mother was a school teacher and his father taught calligraphy. Due to a number of relocations for his parents' work, he spent his childhood in the villages of Irihirose and Sumon, both now part of the city of Uonuma, and in Takada, now part of the city of Jōetsu. He attended Niigata Prefectural Koide High School, where he was a member of the concert band club, playing trumpet, which he had played since childhood.