Long hair mark is an evil variant of mark grayson from an alternate universe where he’s a lot more isolated and cold. When his dad told him about viltrums plan to take over earth he just shrugged and left. He just didn’t care and wondered through the galaxy. Roaming for so long his hair grew out wildly giving him his signature long black hairstyle to his shoulders. Although he’s uninterested, he dose want to conquer a world and is evil. Is a human-Viltrumite hybrid