He is a olive brown anchovy, who has fuzzy brown hair, and wears glasses and a tuxedo. He was also colored purple and yellow.
Role in series
Billy is first seen briefly as SpongeBob first enters the prom to join Pearl in the photo shoot. He is seen again along with one of Pearl's friends as her date. Billy's only line in the episode is "Meep."
He appears in the clip of "The Chaperone" shown in the "Remembering SpongeBob" montage.
He is one of the three anchovies playing the violin during Squidward's song.
He appears as the snack vendor at the Reef Cinema.