Discipline | Growth | Mindset on Instagram: "Glenn Howerton is an American actor, writer, producer and director — born April 13, 1976 in Okinawa, Japan. He’s best known as co-creator and one of the lead actors of It's Always Sunny in Philadelphia (2005-present), where he plays Dennis Reynolds — a role that blends dark humor, fearless creativity, and cult-level fan devotion. Beyond acting, Howerton writes, produces and sometimes directs — proving that success isn’t just about being in front of th