Adapted from 3X UPDATED 32x32 Scifi Roguelike Enemies
By Stephen "Redshrike" Challener
http://opengameart.org/content/3x-updated-32x32-scifi-roguelike-enemies

http://creativecommons.org/licenses/by/3.0/
http://opengameart.org/content/oga-by-30-faq