Dan Harmon
Creator of Channel 101, The Sarah Silverman Program, Community and Heat Vision and Jack. Frequent collaborator of Rob Schrab. Show runner on Community for seasons 1-3.
Interviews with the cast of Community suggest he reads a lot of websites regarding his show. This, combined with the nature of Abed suggest he's One of Us. He is a confirmed reader of TV Tropes.
Not to be confused with Dan Schneider, who is a comedy show creator for Nickelodeon.