Viltrumite

The Viltrumites are a race of near-indestructible humanoids from planet Viltrum.

Culture
The Viltrumites are known for being warriors and planet-conquerors.

Biology
Viltrumite look just like humans, except the fact that they're far stronger, faster and more durable that regular humans. Their DNA has the ability to take over any other species DNA. Every Viltrumite possesses vast amounts of strength enough to lift massive objects and rip apart humans and tanks with ease each Viltrumite also has invulnerability enough to survive nuclear bombs and temperatures from absolute zero to extreme heats that is comparable to a star. Viltrumites also have reflexes that have been proven to be faster than light. Their body's system are more advanced than any humans as they can fight off any known disease and produces less fatigue toxins, they can also heal wounds almost instantly. Viltrumites can live for more than thousands of years. Viltrumites are gifted with the power of flight and can go far beyond light speed
 *  Viltrumite Physiology: 
 * Superhuman Strength: A Viltrumite's strength is far greater than that of Humans. The upper limit is unknown as some Viltrumites are stronger than others.
 * Superhuman Speed: Viltrumites are capable of moving at speeds much faster than Humans.
 * Superhuman Stamina: Viltrumites generate less fatigue toxins than humans, allowing them to fight and move for extended periods of time without collapsing from exhaustion.
 * Superhuman Endurance: Viltrumites have endurance beyond human capabilities and have survived disembowelment, touching lava, and bomb blasts without permanent physical damage.
 * Flight: Due a complex balancing system located in their inner ears, Viltrumites have the ability to fly.
 * Interstellar Travel: Viltrumites can survive in outer space without aid.
 * Enhanced Lung Capacity: Viltrumites can hold their breath for up to two weeks without breathing.
 * Invulnerability: Viltrumite skin is much harder to pierce than human skin. Only beings of similar strength can harm Viltrumites.
 * Enhanced Healing Factor: Viltrumites can heal from injuries that would normally kill humans.
 * Decelerated Aging: Viltrumites have the potential to live for thousands of years and still be in their physical prime.
 * Dominant Genetics: A Viltrumite's genes will override other race's traits for physical appearance and powers.
 * Weaknesses:
 * Specifically high-frequency sound: Viltrumites are highly vulnerable to sonic attacks with specific frequency as it disrupts their equilibrium, causing them unable to fly, immense pain and even death, in case of prolonged expose.
 * Vulnerable internal organs: Robot, a technopathic superhero in the Invincible series shows that he can kill Viltrumites by shoving a bomb into their throat, showing that only the external parts of the Viltrumite body are near-invulnerable.
 * Scrooge Virus: A powerful virus engineered, specifically to kill Viltrumites and neutralize their power
 * Ragnars: A ravaging species of Aliens that can maul Viltrumite to death as their claws and teeth can pierce Viltrumite's skin
 * Klaxxus Plant: a species of plant that produces toxin that can weaken Vultrimite but not enough to kill them.
 * Space Racer's gun: an alien called Space Racer posssesses a powerful gun that can pierce through Vultrumite's near-indestructible body.

Known Viltrumites

 * Nolan Grayson: Great-Grandson of Argall, Nolan is the husband of Debbie Grayson, father to Mark and Oliver Grayson, as well as grandfather to Terra Grayson and Markus Murphy. He originally was sent to Earth in hopes of one day making it part of the Viltrumite Empire, becoming a superhero known as Omni-Man, only to abandon his post and leave Earth.
 * Thragg: One of the strongest Viltrumites in the galaxy, Thragg was bred to be a warrior, having fought in the long and bloody conflict, that was the Viltrumite Civil War. He was the Viltrumite leader before being overthrown in favor of Nolan Grayson, only to come back sometime later and attempt to destroy the old Viltrumite Empire with his own army of Viltrumite-Thraxan hybrids.
 * Conquest: An old, yet extremely powerful Viltrumite, who lost his forearm and hand to a Rognarr, as well as permanently scarred and blinded in his right eye. He had several run-ins with Mark Grayson before he finally met his demise during the Viltrumite War, where Mark was able to successfully kill him.
 * Anissa: A member of the Viltrumite Empire, Anissa was born on Viltrum, much like her other comrades. She has had rather rough dealings in the past with Mark, including not only raping him, but producing a child from it, named Markus Murphy. She later made amends with him, however when Samantha learned of that she did to him, she became bitter towards her. She later became a loyal follower of Mark's father Nolan, who was emperor and later on, Mark.

Known Hybrids

 * Mark Grayson: Son of Viltrumite superhero Omni-Man and Debbie Grayson, Mark would eventually inherit his father's powers and became known to the world as the superhero Invincible.
 * Oliver Grayson: The second child of Omni-Man and his second wife, the Thraxan Andressa. Oliver possesses the physical appearance of a human, but with purple skin as an infant. He later had the color of actual human skin as he got older, as well as obtaining his father's powers. He was once known as Kid Omni-Man or Young Omni-Man, but later became a member of the Coalition of Planets. He sadly died at the hands of Thragg.
 * Terra Grayson: Daughter of Mark Grayson and Samantha Wilkins, Terra was born following an incident where her mother lost her leg during a fight with Robot. She has since grown into an impressive young woman, inheriting her father's powers and title of Invincible.
 * Markus Murphy: The son of the Viltrumite Anissa and the hybrid Mark Grayson, Markus was the product of rape, following Anissa overpowering Mark on one occasion. She later gave birth to Markus, but had regret not conceiving him without consent, but didn't regret the fact he was born.