Gonks

From 1964, and as far as i know there are only 3 in the line up.

Ciscorn

From what little i could find out, this character was in an old japanese show, and later was a mascot for a kids cereal.

Weeping skeleton

Good god, i put a battery in this thing and laughed out loud.

Monster Bobbles

Mr Robato

Fiberglass mask that looks like it was professionally made.