The Anti-Defamation League blasted the “blatantly anti-Semitic” illustration, saying that “the thrust of the cartoon is clear: McMaster is merely a puppet of a Jewish conspiracy.” The Huffington Post noted that according to Garrison’s website, the cartoon was commissioned by Mike Cernovich, a blogger and radio personality associated with the alt-right. Cernovich is known for peddling the Pizzagate conspiracy theory, his anti-feminist views and warning against “white genocide.”

Ben Garrison posted his invitation to Trump’s Social Media Summit, which will be held Thursday. In attendance will be a variety of right-wing figures who are concerned about what they perceive as new limits on free speech, as social media platforms clamp down on hate speech and harassment.

“Honored to be invited to the White House!” Garrison tweeted on Saturday. “Thank you Mr. President!” In a quoted tweet beneath it, Garrison wrote “meme warriors assemble!” and posted a comic of a number of pro-Trump and alt-right figures, including the icon Pepe the Frog and the president himself crowned with gold laurels, depicted as ghosts frightening “the left,” who clutches a blanket made of the mainstream media.