The music and voice-over narration are based on The Dark Knight (2008), released the previous summer.
At the Coon's convention, there is a poster in the background of The Coon silhouetted out jumping in the air with lightning striking behind him. This is a parody of the famous graphic novel, Batman: The Dark Knight Returns (which evolved into End of an Eyrie (1998)).
When Professor Chaos threatens to blow up a hospital, it is a direct reference to The Dark Knight (2008) when Heath Ledger's Joker blows up a hospital as he walks away.