This webcomic provides the following examples:
- Fair Folk: Many fairies and elves despise humans for various reasons and try to harm them in any way possible.
- Friendly Sniper: Margarethe is cheerfull and friendly, and is also a sniper.
- Grey and Gray Morality: Well, light-gray and dark-gray.
- Once Upon a Time: Exactly how the comic starts, both with the english and the german phrase.
- Parental Substitute: Elfriede is this to Johann and Margarethe (well, for the most part).
- Pun-Based Title: The title is a mix between the german words "Nachtmahr" (nightmare) and "Märchen" (fairytale).
- Punchclock Hero: The main characters, especially Hati, mostly only do what they do if some sort of pay is involved.
- Red Eyes, Take Warning