Elon Musk referenced Adolf Hitler and other Nazi leaders in a social media post filled with puns early Thursday taunting those who accused him of doing a Nazi salute at an event after President Trump’s inauguration.

Elon Musk, the world's richest man, standing behind a podium bearing the Seal of the President of the United States, on Monday twice gave what scholars, journalists and rights groups said was a Hitlergruß,

"The entrenched interests run deep. They will throw everything they can at Elon to stop change. It won't work. But it's going to get uglier and uglie