Glenn Howerton

Glenn Franklin Howerton III is an American actor, writer, producer and podcaster. He is best known for playing Dennis Reynolds on the long-running sitcom It's Always Sunny in Philadelphia (2005–present) on FX/FXX, a series he developed with creator Rob McElhenney, and on which he serves as an executive producer and writer. From 2021 until 2023, he co-hosted The Always Sunny Podcast with his fellow co-creators McElhenney and Charlie Day.

13 April 1976

Born on the same birth date (13 April 1976): Dan Campbell • Jonathan Brandis

Born on the same birth day (13 April): Dan Campbell • John W. Davis • Judy Nunn • Louis Philippe II, Duke of Orléans • Pierre Jélyotte • Robert Enrico

Born in the same month (April 1976): April 6 • Clarence Seedorf • Darius Regelskis • David Oyelowo • Jason Bonsignore • Jessica Lee • Jonathan Brandis • Sterling K. Brown • Valeria Straneo • Václav Varaďa • Yoshino Kimura