Named after a Greek mythological monster that has had many varying descriptions over the centuries. One later mythological version of the scylla was more or less a mermaid whose serpentine-like lower half was surrounded by snapping dog heads.
Other names associated with octopus girls are Cecaelia and Dagon.
- Oct from Monster Musume no Iru Nichijou
- Okpa from Ishuzoku Reviewers
- Okutou Hasumi from Hitomi Sensei no Hokenshitsu
- Rakisu Meitopasu from Mamonomusume to no Seikatsu
- Scyllei from Shinrabanshou
- Turquoise from Shutcho Iyashi Senmon-ten Takoizu
- Ursula from Disney's The Little Mermaid