An American actor, comedian, writer, and producer, he gained fame for his role as Charlie Kelly on the hit TV show "It's Always Sunny in Philadelphia," which he also co-created and produces. Born in 1976 in New York City and raised in Rhode Island, he pursued acting after college, eventually breaking into film with roles in "Horrible Bosses" and "Pacific Rim." Known for his distinctive voice and comedic talent, he has also lent his voice to animated features like "The LEGO Movie" franchise.