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.
Description above from the Wikipedia article Glenn Franklin Howerton, licensed under CC-BY-SA, full list of contributors on Wikipedia.
So far, I'm actually thinking Gunn's likely going to do a great job. But I got my own idea for a Superman in his earlier years. Basically drawing main inspirations from the Fleischer Cartoons, DCAU Show, For All Seasons, Birthright, & Smashes The Klan.