Fink or as some call her Professor Venomous' Hench-Rat Thingy is a villain character of the OK K.O.! Let's Be Heroes cartoon series. Fink is a minion and personal bodyguard of Professor Venomous. She is a short, green-furred humanoid rat, with long messy green hair and has an aggressive attitude. Fink just loves fighting heroes with her master Professor Venomous, she even thinks that she is his favorite minion. An OK K.O.! Let's Be Heroes cursor with Fink and her future version.