William J. "Billy" Butcher is a fictional character and Antihero in the comic book series The Boys, created by Garth Ennis and Darick Robertson. He is the leader of The Boys, a group of CIA-sponsored vigilantes (consisting of Wee Hughie, Mother's Milk, Frenchie, and the Female) who employ murder, kidnapping, extortion, coercion, threats of violence, and torture for superheroes deemed as stepping out of line of government interests. He is the Homelander's archenemy, who he blames for the rape and death of his wife Becky, while also developing an intense hatred for all superhuman beings. He is the final antagonist of the comic book series.