William Easton is a fictional character from the video game series BioShock. He is known for his role as the head of Rapture's Atlas Foundation, which is a group that opposes the game's main antagonist, Andrew Ryan. Easton is portrayed as a charismatic leader who seeks to liberate the citizens of Rapture from Ryan's oppressive regime. In the game, Easton is depicted as a complex figure, embodying themes of power and manipulation. His character serves as a representation of the moral dilemmas faced by individuals in a society driven by objectivism and capitalism. Players encounter Easton through various narrative elements that explore his influence on the game's events.