Claim: Jim Carrey is the screenwriter of Ace Ventura: Pet Detective.
Evidence: His first leading roles in major productions came with Ace Ventura : Pet Detective -LRB- 1994 -RRB- , Dumb and Dumber -LRB- 1994 -RRB- , The Mask -LRB- 1994 -RRB- , and Ace Ventura : When Nature Calls -LRB- 1995 -RRB- , as well as a supporting role in Batman Forever -LRB- 1995 -RRB- and a lead role in Liar Liar -LRB- 1997 -RRB-.
Ace Ventura : Pet Detective -LRB- or simply Ace Ventura , or also simply Pet Detective -RRB- is a 1994 American mystery comedy film directed by Tom Shadyac , and co-written by and starring Jim Carrey.