Wyatt Halliwell is a supporting antagonist in the television series Charmed. He is an alternate version of Wyatt Halliwell from a dark future. He turned evil when the fallen-from grace Whitelighter elder Gideon tried to kill him. Being raised among darkness, without his parents and aunts to guide him, at sixteen, Wyatt became a tyrannical overlord and strained relationship with his younger brother, Christopher.
