|Voice|| Dave Wittenburg (Ben 10)|
Dee Baker (Alien Force)
Eric Bauza (Omniverse)
Ashley Johnson (Gwen)
Bumper Robinson (Rook)
|Series of Origin||Ben 10|
- Ben 10 (Perk): Short, fat alien with three gills on face, green skin, a short tail, and six green nubs on head. Wears a black jumpsuit with the stomach open and white sleeves and feet. Has black eyes with white pupils. The Omnitrix is on his wrist.
- Alien Force (Murk): Similar to Ben 10 but with darker green skin, lighter green stomach, no clothes, and dark patches all over body. Has green eyes. The Omnitrix is on his stomach.
- Omniverse Teen (Murk): Same as Alien Force.
- Omniverse Teen (Perk): Similar to Ben 10. Has green pupils and no clothes. The Omnitrix is on his stomach.
- Omniverse Young (Perk): Similar to Ben 10. Has green pupils.
- Heroes United: Similar to Alien Force. Is wrinkly and less round. Two gills are longer than the other and touch his mouth.
- Upchuck can eat practically anything
- Upchuck can convert what he eats into energy blasts
- Upchuck has stretchy, sticky tongues
Total: 19 (18 by Ben)
S3E13 The Visitor (Perk)
S4E Ben 4 Good Buddy (Perk)
S4E9 Ben 10 vs. the Negative 10: Part 2 (Perk)
Ben 10: Secret of the Omnitrix (Perk)
Total: 4 (4 by Ben)
Ben 10: Alien ForceEdit
S2E11 War of the Worlds: Part 1 (Murk)
S3E2 Vengeance of Vilgax: Part 2 (Murk)
S3E9 In Charm's Way (Murk)
Total: 3 (3 by Ben)
Ben 10: Ultimate AlienEdit
S1E2 Duped (Murk)
S3E1 The Purge (Murk)
S3E12 Inspector 13 (Gwen, Murk)
Ben 10/Generator Rex: Heroes United (Murk)
Total: 4 (3 by Ben)
Ben 10: OmniverseEdit
S2E9 Store 23 (Murk)
S3E3 Tummy Trouble (Perk) x3
S3E3 Tummy Trouble (Murk)
S3E10 Evil's Encore (Young Ben, Perk)
S4E8 A Fistful of Brains (Perk)
S4E9 For a Few Brains More (Perk)
Total: 8 (8 by Ben)
- Ben 10: Protector of Earth (DS Only)
- Ben 10: Alien Force: Vilgax Attacks (DS Only)
- Ben 10: Omniverse: The Game (DS/3DS Only)
- Ben 10: Omniverse 2 (3DS Only)
- OS: "What's this thing supposed to do?" - The Visitor
- AF: "Everbody! Hit it together! On three! One, two, three!" - War of the Worlds: Part 1
- UA: "This...is a lot less fun than I thought it would be." - Duped
- OV Teen: "Just my big eater." - Tummy Trouble
- OV Young: "Aw, my hand slipped!" - Evil's Encore