All eight Mega Man X1 bosses in one download. (Uses 16-bit sprites)
Download Link: http://rapidshare.com/files/1656885586/xmavericks.zip
Images:
Chill Penguin, Launch Octopus, Spark Mandrill, Armored Armadillo
Boomer Kuwanger, Flame Mammoth, Sting Chameleon, Storm Eagle