Anti-Role Model: Tyrannis realizes that he had been selfish and stole his sister's thunder when he realizes that he's basically emulating his mother by making everything about him.
It's All About Me: Deliria has the games named after herself and takes all the credit when the games become a hit thanks to Stupendous.
Oblivious to His Own Description: The ways Hippocampus describes the killer's motivations sounds an awful lot like himself. Shlub catches on and presumes that his son is the killer.