Apollo Ringo

Apollo is Furuta High School's physician. He works primarily in the infirmary.

Personality
Apollo seems shy and timid, having traits you would not like your physician to have. He is clumsy and self-doubting, lacking confidence in his diagnoses and skills as a physician.

He also seems to ramble a lot, And do things for himself or "In the name of science!"

Appearance
Upon introduction, Apollo has an apple for a head.

Later in game after you get the "Happy Ending" he is revealed, To have Glasses and Platinum Blonde short hair, even though not visible he also has freckles.

Pierre Paer
Pierre doesn't seem to like Apollo all that much, often degrading him and talking down to him.

Satomi "Spine" Kosaka
Apollo and Spine appear to be dating as Spine can be found in the infirmary after school, waiting for him to give him a Valentines gift. Also, at one point in the game, Apollo states that his "S.O." said [kissing] was okay, where "S.O." could be "significant other", possibly meaning Spine.

Trivia

 * Apollo is associated with apples.
 * His last name is the Japanese word for "apple".