Scott Pilgrim/Trivia

Comic:

 * Fan Nickname: The G-Man, for Gideon. Something of an Ascended Meme in the movie.

Video Game:

 * Colbert Bump: Anamanaguchi and Paul Robertson each got one.
 * Unfortunately, the unknowing find out too late that Paul Robertson's work can be rather incredibly graphic.

Scott Pilgrim vs. the World/Trivia

 * Hey, It's That Guy!:
 * Superman! Now with the power of Veganism!
 * Johnny Storm is also one of the evil exes!
 * Hey! Crash is that kid from Jericho!
 * The King of France is the leader of the League of Evil Exes!