Main Characters
Mark Grayson / Invincible
29 main appearances
Debbie Grayson
29 main appearances
Recurring Guest Characters
Daphne
2 guest appearances
Additional Voices
2 guest appearances
The Captain
2 guest appearances
Martian Man
1 guest appearances
Red Rush
1 guest appearances
Darkwing
1 guest appearances
Robber 1
1 guest appearances
Connie
1 guest appearances
Guard #2
1 guest appearances
Young Wife
1 guest appearances
Martian Emperor
1 guest appearances
Bryant
1 guest appearances
The Mad Scientist
1 guest appearances
Doug Cheston
1 guest appearances
Dr. Barclay
1 guest appearances
Nikki
1 guest appearances
Val
1 guest appearances
Nurse
1 guest appearances
Volunteer
1 guest appearances