He is best known for movies where he makes ridiculous faces, does crazy voices, and beats the shit out of himself in bathrooms. He got super-famous in 1994 for Ace Ventura: Pet Detective, coasted through the 90s doing low-brow comedy after low-brow comedy, and has spent the past decade doing a lot of kids’ movies and bad comedies. Jim Carrey has had kind of a weird career.
