Glenn Franklin Howerton III (born April 13, 1976) is an American actor of television and film. He is best-known for his role as Dennis Reynolds on FX's It's Always Sunny in Philadelphia (on which he is also a writer and executive producer). He also played Corey Howard on the short-lived 2002 sitcom That '80s Show.
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"Iron Man: Armor Wars" pits Tony Stark against Justin Hammer, who has stolen Stark's tech. With James Rhodes as War Machine, they battle Hammer and his ally, Crimson Dynamo, to reclaim the technology and protect the world.
