"He's done a fantastic job but he hasn't been treated properly," Trump said of Musk.

Rolling Stone claims that senior Trump officials have characterized the billionaire as incredibly unfunny, radically annoying, “crazy,” and potentially in need of regular, mandatory drug tests. The outlet reports: Some senior Trump ad­ministration officials and Cabinet members have found themselves deeply annoyed by Musk.

A group of 77 Democratic lawmakers has called on the White House to commit to a May 30 deadline for the billionaire to complete his role within the administration.