Elon Musk has doubled down on his inauguration salute controversy with a bunch of Nazi jokes and has been slammed by the Anti-Defamation League.

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!

Elon Musk pounded his fist to his chest and extended his right arm into the air during a speech Monday, which many have equated to a Nazi salute—while defenders say it was accidental.