Complex sentence: The protagonists are Koot Hoomie "Kootie" Parganas, an eleven-year-old boy, and Pete "Teet" Sullivan, a man in his early forties.
Split into simpler sentences: The protagonists are Koot Hoomie "Kootie" Parganas and Pete "Teet" Sullivan. Kootie is an eleven-year-old boy and Sullivan is a man in his early forties.