Bletcher married actress Arlyn H. Roberts in 1915; together they have a daughter, Barbra. They remained married until Bletcher’s death in 1979.

His booming voice can also be heard as “Don Del Oro” the Yacqi Indian god in the 1939 Republic serial, Zorro’s Fighting Legion. He also provided voice work for Ub Iwerks as the Pincushion man in the 1935 animated short Balloon Land, as well as Owl Jolson’s disciplinarian violinist father in the 1936 Warner Bros. short subject based on the song I Love to Singa and the menacing spider in Bingo Crosbyana.

In 1939, Billy Bletcher and Pinto Colvig were hired to perform ADR work for the Munchkins in The Wizard of Oz. In MGM films, he voiced Spike the Bulldog and on some occasions even Tom and Jerry, in Tom and Jerry, and in Warner Bros. many characters, most notably the Papa Bear of Chuck Jones’ The Three Bears. He portrayed the villainous wolf in Little Red Riding Rabbit (1944).

In 1950, he played several characters on The Lone Ranger radio program as well as appearing in episode 27 of the TV series.

In 1971, Bletcher played one of his final roles, Pappy Yokum in a television adaptation of Lil Abner. In 1978, he was originally hired to voice the Weed on The Plastic Man Comedy/Adventure Show, but had to drop out due to illness.

Bletcher died at the age of 84 on January 5, 1979 in Los Angeles, California. He was survived by his wife Arlyn and their daughter Barbra. Bletcher’s wife Arlyn, died thirteen years later on July 3, 1992 at the age of 99.