Man O' War
Originally the apprentice of Man at Arms, Man O' War was banished from Eternos for being too warlike. Filled with rage, Marcus allied himself with Skeletor in a bid to seek revenge on Duncan. Not evil, Man O' War does not mix well with the other evil warriors, especially Tri Klops, who he sees as weak for his over reliance on technology.
If it were not for his rage, Man O' War would be the perfect warrior.