These days, you can’t even tinker with babies in a lab without facing criticism.

He Jiankui is a controversial biophysicist who works in gene editing. He’s been heavily criticized, even landing himself in a Chinese prison for three years. But the man is back in action! He took to Twitter the other day to announce that “Tinkering with human embryos will certainly be worth the risk.,” along with a handsome and deeply unsettling selfie. The whole thing has sci-fi villain vibes, and Twitter has taken notice.

Here are some of the best memes and reactions to the man who wants to edit the code of your kids.