Daniel Michael DeVito Jr. (born November 17, 1944) is an American actor, director, producer, and filmmaker.
He gained prominence for his portrayal of the taxi dispatcher Louie De Palma in the television series Taxi (1978–1983), which won him a Golden Globe Award and an Emmy Award. He currently plays Frank Reynolds on the FX and FXX sitcom It's Always Sunny in Philadelphia (2006–present).
He is known for his film roles in One Flew Over the Cuckoo's Nest (1975), Terms of Endearment (1983) Throw Momma from the Train (1987), Twins (1988), The War of the Roses (1989), Batman Returns (1992), Get Shorty (1995), Matilda (1996), Mars Attacks! (1996), L.A. Confidential (1997), Man on the Moon (1999), Wiener-Dog (2016), and most recently Dumbo (2019). He is also known for his voice roles in such films as Space Jam (1996), Hercules (1997), and The Lorax (2012).