Rollin Clare (Ham) Hamilton was an early motion picture animator. He was Walt Disney's first hire, in 1924, and animated the Alice Comedies. He left Disney in 1926 with Hugh Harman and Rudolf Ising and helped to found the Warner Bros. animation studio. Hamilton left Warner in 1930. From 1934 to 1939, he animated the Bosko character in the Harman-Ising studio.
He died in 1951 of a heart attack.