Mico (Often short for Mikiko Kawamoto) is a teenage Devilman. Fused with the demon Tollg, she is able to release acid from orifices on her breasts and crotch.
- Mikiko Kawamoto: A young Christian girl who is among the first Devilmen. She is captured by Demon Busters who adapt her acid into their weaponry.
- Mikiko Kawamoto (Grimoire): A bright but troubled young girl who become a Devilman after fusing with the demon Tollg.
- Mikiko Kawamoto (Gekiman): Follows a similar story to the original Devilman.
- Mikiko Kawamoto (Amon): A major supporting character, here she has a romance with Dosu-Roku.
- Mikiko Kawamoto (Film): Lacks the signature appearance of Tollg, yet remains an important character.
- Mico (Amon OVA): She is a member of the Devilman Corps, and watches it fall apart with the emergence of Amon.
- Mikiko Kawamoto (Crybaby): A Devilman, kept in captivity by surviving humans.