Her playfulness, however, was accompanied by the type of turmoil that attracted Musk. His brother and friends hated her with a passion that made their distaste for Justine pale. “She was just so toxic,” Kimbal says. “A nightmare.” Musk’s chief of staff Sam Teller compares her to a comic-book villain. “She was like the Joker in Batman,” he says. “She didn’t have a goal or aim other than chaos. She thrives on destabilizing everything.”