A number of Donald Trump critics have mocked Elon Musk over his appearance alongside the former president at a Pennsylvania rally. Musk, the billionaire owner of X, formerly Twitter, and CEO of SpaceX and Tesla,

Trump brings Elon Musk on stage, who he claims "saved free speech." Elon jumps up and down, claims he is "dark MAGA," and praises Trump. pic.twitter.com/xJTyiyziWJ “As you can see, I’m not just MAGA,

Mr. Musk, the world’s richest man and the leader of Tesla and X, endorsed the former president after the attempted assassination in July. On Saturday, he returned to the scene and made a spirited rally appearance.