Ben 10: Alien Swarm Characters

Ben is the boy who found the Omnitrix, a device used to transform into different alien beings.

a childhood friend of Ben and Gwen.

Gwendolyn Tennyson is the better half of Ben 10's team. She is the brains, and he is the brawn. As Gwen has gotten older and matured more, she has become romantically attracted to ex-con Kevin Levin whom is now her boyfriend, she is considered a extremely powerful spellcaster.

Kevin is Ben's enemy in Ben 10, absorbing the Omnitrix' powers. However he returns as Ben's ally in Alien Force.

Max is Ben and Gwen's grandfather. He is a member of the plumbers; a group of people who protect the earth from alien threats.

Father of Elena and studied the Nanites.