Physical Appearance: He is an older, battle-hardened Viltrumite with distinct facial scarring, a missing right eye, and a cybernetic right armThe "Sadistic" Anomaly: While the Viltrumite Empire is known for brutality, its citizens view conquest as a mechanical, efficient mission. Conquest, however, is considered an unstable outcast by his own people because he genuinely enjoys brutalizing his victims and tearing them apart for personal pleasure.Abilities: As one of the most powerful Viltrumites in existence, he possesses god-like superhuman strength, near-invulnerability, flight, accelerated healing, and immense battle experience that spans millennia. He even overpowers Mark Grayson with ease in direct combat.Role in the Story: Sent to Earth as a high-ranking enforcement agent, his mission is to brutally subjugate the planet and kill anyone who stands in his way.

Mark is a fairly tall, fair-skinned young man, standing at approximately 5'11, with black hair featuring a widow’s peak, usually combed back with a few stray strands sticking up, and brown eyes. Originally slim, his physique became more filled out, lean, and defined after acquiring his Viltrumite powers. The stress and emotional toll of his experiences are evident in faint under-eye bags. Following rigorous G.D.A. training, his build developed additional muscle mass.As Invincible, his hair is partially visible through the top of his suit. The costume includes a yellow mask with goggles to protect his eyes while flying. A yellow stripe runs down the centre of the suit, ending at the waist in an inverted triangle, with blue on the shoulders forming an "M"-like pattern. The remainder of the suit is black, with yellow gloves and blue boots extending from the knees to the feet. This is his primary costume, which he later returns to after abandoning an alternate suit.After leaving Cecil, Mark receives a new suit. It resembles his original yellow suit but is blue and black, without knee pads. The boots are black, and the goggles feature white highlights. This suit reflects a darker period in his hero life before he eventually returns to his original coloursbrave, compassionate, and idealistic hero