Charlie Day is an American actor, writer, and producer. He is co-creator and star of the long-running FX comedy series It's Always Sunny in Philadelphia. In the early 2000s, Day appeared in independent films and television shows such as Third Watch. He later created and produced the Apple Original series Mythic Quest. Day has also expanded his career into film, appearing in the Horrible Bosses franchise, Pacific Rim, and directing Fool's Paradise. He also hosts the comedy podcast The Always Sunny Podcast.