will.i.am (born William James Adams, Jr., 1975) is an American rapper, songwriter, singer, actor, and producer who co-founded the hip-hop group the Black Eyed Peas.
He appears in Sesame Street's 41st season to perform the song "What I Am."
Aside from his music credits, will.i.am has lent his voice to The Cleveland Show, Rio (and its sequel) and Madagascar: Escape 2 Africa.