Rex Splode is a superhero from Invincible and a member of the Guardians of the Globe. His real name is Rex Sloan, and he has the ability to charge objects with explosive energy, making almost anything he throws into a powerful weapon. Rex is confident, sarcastic, competitive, and sometimes reckless. He wears a red-and-yellow armored suit with goggles and carries explosive weapons. Under his cocky attitude, Rex genuinely cares about his teammates and wants to be seen as a capable hero.

Atom Eve, whose real name is Samantha Eve Wilkins, is a powerful superhero in Invincible. She can control matter and energy, allowing her to create objects, force fields, weapons, and powerful energy blasts. Eve is intelligent, kind, brave, and determined to help people. She wears a pink-and-white superhero suit with a mask and has pink hair. She often works with other heroes and becomes an important ally to Invincible.

Dupli-Kate, whose real name is Kate Cha, is a superhero in Invincible and a member of the Guardians of the Globe. Her power allows her to create multiple copies of herself, with each duplicate able to fight and move independently. Kate is confident, athletic, determined, and highly skilled in combat. She wears a green-and-black superhero suit and uses her duplicates to overwhelm enemies, protect teammates, and handle multiple threats at once.

Invincible, whose real name is Mark Grayson, is the main superhero of Invincible. He is the son of Omni-Man and has Viltrumite powers, including super strength, incredible speed, flight, enhanced durability, and rapid healing. Mark starts as a young hero learning to control his abilities and becomes stronger through experience. He is brave, determined, caring, and willing to risk himself to protect innocent people and the ones he loves.

Robot, whose real name is Rudy Connors, is a highly intelligent superhero from Invincible and a member of the Guardians of the Globe. He uses advanced technology and controls powerful robotic bodies from a distance. Rudy is extremely intelligent, strategic, and focused, often thinking several steps ahead of his enemies. His robotic body gives him enhanced strength, durability, flight, and weapons. Despite his logical personality, he develops strong relationships with his teammates.