"monk" is character costume in StrikeForce Kitty.
The fox wearing the "monk" costume can be found on level one with "lara" halfway through the level. Wearing the set requires defeating the fox multiple times until all three pieces are obtained, or by chests.
The set contains: hat and beard, robes, and sword. "monk" does melee damage and has the special ability to heal all cats one point every three seconds.