Daniel Michael DeVito Jr. is an American actor, comedian, and filmmaker. He gained prominence for his role in Taxi, which won him a Golden Globe Award and an Emmy Award. He plays Frank Reynolds on the FX and FXX sitcom It's Always Sunny in Philadelphia. DeVito and wife Rhea Perlman starred together in his 1996 film Matilda, based on Roald Dahl's children's novel. He is also known for his voice roles in Hercules, The Lorax and Smallfoot.