Crystaline creatures can reform their bodies at will, but prefer to take humanoid forms - with some benefits, like extra arms and powerful legs. <alex says what if he had 1 arm instead of 2 in the middle of his torso?
I just pinned this so I can memorize their names. It's impossible to get their names straight just going off of the music videos. xD-----manga vs anime makes it even more confusing. I read the manga before watching the anime