Characters in Invincible, Vol. 4

Mark Grayson

A.k.a. Invincible, he is a superhero struggling to cope with traumatic events and continue his life while facing super-villains and personal challenges.

Also in Invincible, Invincible Compendium Volume 3

Invincible

The superhero alter-ego of Mark Grayson, who must deal with the aftermath of previous events and confront various super-villains.

Also in Invincible, Vol. 20: Friends, Invincible, Vol. 21: Modern Family, Invincible, Compendium Two

Omni-Man

Mark Grayson's father and a powerful alien who was revealed to be an antagonist in previous volumes, leaving a significant impact on Mark's life.

Also in Invincible, Vol. 21: Modern Family, Invincible

Debbie Grayson

Mark Grayson's mother, who is deeply affected and left a wreck by the traumatic events of the previous volume.

Atom Eve

A fellow teenage superhero and Mark's friend, who often provides support and is part of his social circle.

Also in Invincible, Vol. 20: Friends, Invincible

Robot

The leader of the Teen Team and a highly intelligent individual who often assists Invincible and other heroes.

Also in Invincible, Vol. 20: Friends, Invincible