Happy Hallow— WTF is THAT???

WTF?

Is that a giant spider with a scary clown face next to a walking tree?

Yes, yes it is.

Justice League Adv. #10 pg 13

Not sure how much the context of the full page helps. This was from an actually quite fun issue of Justice League Adventures called Must There Be a Martian Manhunter and featured the villain Scream Thief who could manifest nightmare creatures. Pencils by me. Inks by Dan Davis.