Sabotage Badger

(Commercial use is okay, go for it, just check the CC License info linked below)  More info on Sabo-cat here. From the page:

“Chaplin intended for employees to place the image around their respective workplaces as a symbolic threat to unethical and unrepentant bosses.”

Sabo-badger by Elissa Rose is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.