I actually just checked and it isn’t, but it would not surprise me if it was real, given there are commands such as `M-x butterfly`, `M-x fortune` or `M-x doctor` in Emacs [1].
Ah, but now you've lost the asterisks in the transfer to HN! This art has been <gasp> defaced! /s
Yes, maybe I should have just posted it, but I'd rather people click through and actually read the OP. There's something worth your time on the other side of that link!