Ace Ventura, Sr. is a fictional character created by screenwriter Jack Bernstein, director Tom Shadyac and actor and comedian Jim Carrey. Ace was played by Jim Carrey in the films Ace Ventura: Pet Detective, released in 1994, and Ace Ventura: When Nature Calls, released in 1995, and was voiced by Michael Daingerfield (credited as Michael Hall) in the animated television series.