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.

Elon Musk referenced Adolf Hitler and other Nazi leaders in a social media post filled with puns early Thursday.

Elon Musk, billionaire adviser to President Donald Trump, leaned into the accusations that his Monday salute was a “Sieg heil” gesture with a series of trollish Nazi puns on X. “Don’t say Hess to Nazi accusations!