Freak the Mighty is the story of an unusual friendship that develops between two boys. One boy is a small bodied kid with a very intelligent mind who moves next door to another boy. He is known as Freak but his real name is Kevin.
Max is not very smart and has been considered by others as being dumb. His father is a criminal and he is being raised by his grandmother (Gram) and grandfather. He befriends Freak and learns that he can be a part of Freak's wonderful adventures. He carries Freak on his shoulders.
Fair Gwen is what Freak calls his beautiful mother, after the Lady Gwen in stories about the knights of the Round Table.
Kenny is Freaks father who ties him up after he gets out of jail and wants to kidnap Max. He is mean and hangs around with a guy named Iggy. He had killed Freak's mother.
Loretta Lee is Freak's dads girlfriend. She is not happy about what Kenny does to Max and she tries to help Max escape.