James Eugene "Jim" Carrey is a Canadian-American film actor and comedian. He is known for his manic, slapstick performances in comedy films such as Ace Ventura: Pet Detective, Dumb and Dumber, Liar Liar and Bruce Almighty. Carrey has also achieved critical success in dramatic roles in films such as The Truman Show, Man on the Moon, Eternal Sunshine of the Spotless Mind and The Number 23. He also provided the voice for Horton in the animated feature film Horton Hears a Who!, which was released on March 14, 2008. The film was his first animated feature role.