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,

Tesla and SpaceX CEO Elon Musk, from left, Republican presidential nominee former President Donald Trump and Republican vice presidential nominee Sen. JD Vance, R-Ohio, attend a campaign event at the Butler Farm Show, Saturday, Oct. 5, 2024, in Butler, Pa. (AP Photo/Alex Brandon)

Get everyone you know, and everyone you don't know, drag them to register to vote,” said Elon Musk at a rally in Butler, Pennsylvania. “If they don’t, this will be the last election. That’s my prediction.