Bosko is an animated cartoon character created by animators Hugh Harman and Rudolf Ising. Bosko was the first recurring character in Leon Schlesinger's cartoon series and was the star of thirty-nine Looney Tunes shorts released by Warner Bros. He was voiced by Carman Maxwell, Bernard B. Brown, Johnny Murray, and Philip Hurlic during the 1920s and 1930s and once by Don Messick during the 1990s. Creation and the first film. In 1927, Harman and Ising worked for the Walt Disney Studios on a series of live-action/animated short subjects known as the Alice Comedies.
https://en.wikipedia.org/wiki/Bosko