Main Characters
Mark Grayson / Invincible
17 main appearances
Debbie Grayson
17 main appearances
Recurring Guest Characters
Amber Bennett
15 guest appearances
Cecil Stedman
15 guest appearances
Samantha Eve Wilkins / Atom Eve
14 guest appearances
Rex Sloan / Rex Splode
13 guest appearances
William Clockwell
13 guest appearances
Donald Ferguson
12 guest appearances
Amanda / Monster Girl
12 guest appearances
Robot
11 guest appearances
Black Samson
11 guest appearances
The Immortal
10 guest appearances
Kate Cha / Dupli-Kate
10 guest appearances
Rudolph "Rudy" Conners
9 guest appearances
Shrinking Rae
8 guest appearances
Additional Voices
8 guest appearances
Additional Voices
8 guest appearances
Additional Voices
8 guest appearances
Additional Voices
8 guest appearances
Mauler Twins
7 guest appearances
Allen the Alien
7 guest appearances