* DudeNotFunny
* NightmareFuel: Many albums centers around vampires, haunted mansions, graveyards, ghosts, mad cults, prehistoric monsters and any other form of EldritchAbomination.
* UnfortunateImplications: All of the sexual/sexist jokes.
* WhatDoYouMeanItsNotForKids? Though marketed as- and popular with- a children's comic strip, a lot of stuff is not specifically intended or understandable for children.