Charles Peckham "
Charlie"
Day (born February 9, 1976) is an American actor, musician, producer, comedian, and screenwriter. He is best known for playing
Charlie Kelly on
It's Always Sunny in Philadelphia, and for his roles in the films
Horrible Bosses (2011),
Monsters University (2013),
Pacific Rim (2013),
The Lego Movie (2014), and
Horrible Bosses 2 (2014).