Scarletter were a band mentioned in Knife Edge. When The Midges played at Romaine Debela's 10th birthday party she said that she wanted Scarletter to play instead. To please her, the midges played one of Scarletters songs which Romaine liked, but her mother said that it was inappropriate and that she didn't want her daughter exposed to nought music.

Scarletter are a boy band and they are all noughts, their songs include Dear Diary which is about love.