Creatures that drop Smoke Screen TC

I know of 2 creatures that drop Smoke Screen. There could be more, I don't have the scoop on ALL the bosses out there yet. I been trying to get Savvy to do my work for me - uh, I mean HELP me, but I haven't had much luck yet.

Name		World
Doctor Jackall		Barkingham Palace, Marleybone
Noxious Gas Golem		Barkingham Palace, Marleybone