Devil Bat

Devil Bat is mischievous, aggressive and domineering, closely resembling Hiruma's exaggerated temperament. It is much less innocent than its smaller companion and often takes charge when the pair appears together.

Because many appearances are instructional or comedic, its personality is deliberately broader than those of the human cast.

Devil Bat is depicted with exaggerated mascot abilities rather than realistic physical limitations. It can fly and, in comedic appearances, perform supernatural actions such as breathing fire or firing beams from its eyes.

These abilities are not part of the realistic football competition. They belong to the visual and explanatory material surrounding the story.

Devil Bat functions primarily as Deimon's emblem and an instructional guide. It appears in omake material and other explanatory sequences to clarify football rules, terminology and mechanics.

The mascot also influences the naming and imagery surrounding Deimon's techniques, reinforcing the Devil Bats' distinctive identity.

A smaller and gentler version, Little Devil Bat, sometimes accompanies it and acts as a contrasting assistant.

Little Devil Bat is Devil Bat's smaller companion and admirer, usually taking the more submissive role when the two appear together.

Youichi Hiruma is the human character Devil Bat most strongly resembles in attitude and visual association.

Sena Kobayakawa's named Devil Bat techniques frequently use imagery associated with the mascot and Deimon's overall theme.