"Chief Master Guru"
Season , episode
Chief Master Guru
Quotes: "Wise elders taught that resorting to violence will never change a person on the inside. In conflict, you must rip your opponent a new asshole in his consciousness. Soon, his mind will be open to all truth. All hole. No ass."

An old Appachistani mystic, he was Xavier’s childhood mentor. Though abusive, he raised Xavier to teenhood. Chief Master Guru is a supposed Native American shaman that took Xavier in when he was orphaned and taught him the ways of life and the land and was Xavier's child mentor. Despite Xavier willing to learn, Chief Master Guru was often abusive, hurtful, and cruel and on one occasion, faked his death to get rid of Xavier.