Ace Ventura is a fictional character created by screenwriter Jack Bernstein and portrayed by actor Jim Carrey in the 1994 comedy film of the same name. The crossword solutions for the term Ace Ventura are PET (3 letters), PIN (3 letters), and OJAI (4 letters). PET stands for 'PET Detective, ' which is the profession of Ace Ventura in the movie. PIN stands for 'Private Investigator Number, ' which is the license number of Ace Ventura. Lastly, OJAI stands for 'Ojai Valley, ' which is the location of the movie's climax.