What is the similarities between maniac and mars bar maniac and john mcnab?

Maniac and Mars Bar share a complex relationship in "Maniac Magee," as both characters grApple with their identities and societal perceptions. They both experience isolation and struggle with their pasts—Maniac as an orphan trying to find a place in the world, and Mars Bar as a product of his environment, initially embodying the antagonistic role. Ultimately, both characters undergo personal growth, learning to confront their biases and forge a connection despite their differences. Their interactions highlight themes of friendship, acceptance, and the challenge of overcoming stereotypes.