Lord X's appearance is defined by the rapid decay of the "vessel" (Sonic's body) he inhabits due to his anti-matter physiology.Grayish Fur: His fur is a dull, faded slate color rather than Sonic's bright blue.The "X" Scar: He has a large, bloody X-shaped scar carved into his stomach or chest.Face: He features a wider jaw, yellowed decaying teeth (12 on top, 11 on bottom), and whiskers on his muzzle.Eyes: His eyes are black with red pupils that sometimes contain white X-shaped crosses.