Elon Musk has officially left the Trump White House, capping a turbulent effort to slash the federal government by the world's richest man.

I took away his EV Mandate that forced everyone to buy Electric Cars that nobody else wanted (that he knew for months I was going to do!), and he just went CRAZY!' says US president

"Such ingratitude," wrote Musk, who spent nearly $300 million to elect Trump and other Republicans last year.

Musk's departure was a victory for a activists who have spent much of the past four months organizing protests against Musk’s right-wing politics.

Elon Musk spent his evening calling Steve Bannon a “retard” after Bannon called for Trump to seize Musk’s companies and deport him following their fallout over the budget bill.

Elon Musk exits the White House, leaving investors hopeful that he will renew focus on his companies, Tesla and SpaceX. Mr. Musk gave nearly $300 million in contributions to the U.S. presidential election campaign.

Elon Musk, who has served as a top presidential advisor and the head of the Trump-created Department of Government Efficiency, announced this week that he is leaving his role in Washington.

Jimmy Kimmel joined in on the late-night host riff session tackling Elon Musk and President Trump’s escalating feud, which has seen the tech billionaire leave the administration and allege that the commander-in-chief is named in U.