Ivan Reitman was a Canadian film director and producer. He was known for his comedy films, especially in the 1980s and 1990s. Reitman was the owner of The Montecito Picture Company, founded in 1998.

Twins is a 1988 American buddy comedy film produced and directed by Ivan Reitman. The film is about unlikely fraternal twin brothers who were separated at birth. The core of the film is the contrast between the streetwise Vincent (DeVito) and the intelligent but naive Julius (Schwarzenegger).