Video game characters have it easy. A ton of artists online are constantly making renders, sketches, and cute avatar icons like these that they can scrounge through for their Twitter and Facebook pics.
deviantART artist kitsovereign created an awesome montage of the 120 stars of Super Mario 64. Meaning each star mission, represented visually here.
I wouldn't have guessed it, but deviantART artist Theresa Cartwright has a whole gallery dedicated to proving the naysayers otherwise.
Kid or not, these super heroes (and some villains) are 100% committed to their personas.