Main Characters
Mark Grayson / Invincible
25 main appearances
Debbie Grayson
25 main appearances
Recurring Guest Characters
Isotope
3 guest appearances
Olga
3 guest appearances
King Lizard
3 guest appearances
Multi-Paul
3 guest appearances
Green Ghost
2 guest appearances
War Woman
2 guest appearances
Aquarius
2 guest appearances
Steve
2 guest appearances
Matt
2 guest appearances
Astronaut #2
2 guest appearances
Astronaut #1
2 guest appearances
Vanessa
2 guest appearances
Fiona
2 guest appearances
Machine Head
2 guest appearances
GDA Scientist
2 guest appearances
Professor
2 guest appearances
Kyle
2 guest appearances
The Giant
2 guest appearances
Thaedus
2 guest appearances