keldor
A fictional character from the Masters of the Universe science fiction and fantasy franchise. He first appeared in the original cartoon series remake from 2002.
Keldor is the adoptive brother of King Randor, absolute monarch of Eternia. While attempting to overthrow the king, a plan to murder Randor backfired on Keldor and left his face without any flesh. With help from Hordak, he used dark magic to stay alive and thus became the hideous evil creature known as Skeletor. Keldor is also the uncle of Prince Adam, the real identity of He-Man. His skin is blue because he is a member of the Gar species, a rare humanoid race from planet Eternia.