All you need to do to make someone seem less fierce is to catch them prancing around without a care in the world, like in this art by Mr. Florey.
Do you recognize everyone? We've got cheery Cobra Commander, Beetlejuice, joyful Jason, Magneto, adorb Pennywise, Alien, lil' Ganondorf, Voldermort, and playful Phoenix. You can buy prints here.
(Via GeekTyrant)