X users believe Elon Musk did "the Hitler salute", also known as the "Nazi salute", in a huge inauguration blunder. The billionaire made the eerily similar gesture when he slapped the podium and raised his flat hand into the air.

My Chemical Romance guitarist Frank Iero had stronger words for what experts described as a Hitler-esque gesture: "f--k this guy."

Elon Musk has seemingly done the unthinkable and shown his knowledge of Nazi history is far deeper than the ADL would like the public to believe.

Many were critical of the tech billionaire's speech and gesture, with one X user writing: "You all know what he just did. Don't try to hide from it" The post Elon Musk’s Salute to Trump Crowd Condemned as Nazi Signal: ‘What the Actual F–k?

Michel Friedman, a former deputy chair of the Central Council of Jews in Germany, whose family perished in Poland during the Holocaust, told the Guardian that the salute was a “disgrace” and said Musk was taking America to a “dangerous point for the entire free world.”

Grimes, Elon Musk's ex, has responded to the backlash of his controversial hand gesture, which is going viral. On Monday, the Tesla CEO took the stage in Washington, DC's Capital One Arena, beginning his speech by saying, "Thank you for making it happen. Thank you," followed by slapping his right hand on his chest and extending it in salute.

Elon Musk is mulling legal action against Minnesota Gov. Tim Walz for suggesting Musk performed the Nazi salute during his speech after President Donald Trump’s inauguration earlier this month. Now a fixture in Trump’s inner circle,

Grimes had initially refused to comment on Musk’s Nazi salute when asked to do so by social media commenters, stating, “While I deeply respect your concern – it is unhealthy that people are this upset when I have not even been online yet today and am only just learning about this controversy now.