The Rise of a Hero

The Rise of a Hero is the first episode of Ken 10: Another hero.

Characters
Ken (first appearance)

Ben 10,000

Gwen

Gwendolyn (first appearance)

Kevin

Delvin (first appearance)

Rex Sazalar

Zac 10 (flashback)

Aliens used
Aliens used by Ben:

Heatblast (2x)

ChamAlien

Cannonbolt

Ultimate Cannonbolt

Diamondhead (2x)

Fourarms

Alien X

Eon

Aliens used by Ken:

NRG

Waybig

Diamondhead

Sandbox

Fourarms

Swampfire

Ultimate Swampfire

Villains
Ultron