- Description: A male humanoid with a strong demonic appearance (wings, horns, pointed tail, skin patterns/markings, etc.) Occasionally also have abnormal skin color and eyes.
- Notes: Should not be confused with m:oni. Does not qualify for monster. Participants with just demonic wings but no other demonic traits only qualify for the wings tag.
- Gender: Females use demon girl.
- Japanese: 悪魔
- Slave Tags: Male - with notable synonyms devil and incubus.