Watson also provided the (uncredited) voice for Prince Chawmin' in the cartoon Coal Black and de Sebben Dwarfs (directed by Bob Clampett, 1943), one of the racially objectionable Censored Eleven; primary voice artist Mel Blanc's contract only allowed for his solo credit.
In addition to his main role, Watson also lent his voice to Prince Chawmin' in the animated film Coal Black and de Sebben Dwarfs (1943), a cartoon that was part of a group of films that were censored at the time; Mel Blanc's contract only allowed him to receive solo credit.