All the girls' surnames end with the Japanese kanji "tei", which is a title given to rakugo performers.
The girls are named after various pop culture figures and Japanese phrases:
- Buratei Mari is named after Bloody Mary
- Herokitei Kigurumi is named after "Hello Kitty" and "kigurumi" (a costumed performer, usually of a cartoon character)
- Bohatei Tetora is named after "bohatei" (breakwater) and Tetrapod (structures used on structures on coasts)
- Kurubiyutei Gankyo is named after "cool beauty" and "gankyo" (glasses)
- Anrakutei Kukuru is named after various words, all to do with negative items: "anrakutei" means "unlucky", "kukuru" means "hanging", her name can be alternatively written in Japanese as "kurakute kurai" ("dark dark") and "anraku kukuru" is a phrase that means "falling into darkness"