Tooru is a female dragon who has the ability to transform into the shape of a human girl. After her life is saved by Kobayashi, she falls in love with her and starts living in her apartment as a maid. She usually retains her horns when changing into human shape, and occasionally retains her tail. She is commonly mistaken for a cosplayer. (Source: Wikipedia)

Crusch's knight, who is skilled in water magic, which includes healing. He refuses to use a sword. Even though he has a feminine and cat-like appearance, Felix is male. Having stated that he is a man "in both body and soul." He often speaks in the third person, using both male and female pronouns for himself, but only using female denominators to tease the other characters. A "beast human" hybrid, Felix was locked up at birth and later rescued by Crusch herself. (Source: Wikipedia, edited)