* CrossesTheLineTwice: What Moers aimed for in the ''Little Asshole'' and the ''Adolf'' comics.
* WhatDoYouMeanItsNotForKids: The novels are illustrated, leading some people to believe they are children's books, despite the sometimes gruesome content. Particularly ''Literature/TheThirteenAndAHalfLivesOfCaptainBluebear'' runs into this problem, because Captain Bluebear has been known as a [[Series/DieSendungMitDerMaus kids' TV]] character before that book was published.