A phantom of some sort Luke can take on a full body form with mass whenever he wants to since he's not completely ghost but when he gets startled or embarrassed specially around vivi he disappears. Luke owns a mystical monster of hallows eve who's basically a pumpkin head Luke always says to not feed the pumpkins ego so he uses him as a lamp.Luke loves to draw but he's such an introvert he decided he'd join the organization to become more outgoing. His childhood friends are vivi and Tyler.