Ben Tennyson is the central hero, wielding the Omnitrix, a watch-style device that lets him transform into many aliens with different abilities. The series follows his adventures across two periods of his life, including his exploration of Undertown, where he encounters its unusual alien society and faces enemies seeking a rematch.
Video game variant appearing in multiverse.
Sixteen-year-old protagonist wielding the Ultimatrix. His secret identity is exposed to the public, forcing him to balance fame with battling evil. He pursues Aggregor, struggles with the moral dilemma of a corrupted Kevin, and ultimately defeats Vilgax using Azmuth's sword while resisting its corrupting power. He earns a new Omnitrix for his self-control.
An uncredited voice performance contributing to the film's background dialogue.
Superman / Kell-El is the young Superman at the center of the series. In the 31st century, he undertakes adventures and fights alongside the Legion of Super Heroes, serving as the narrative focus and the group’s principal heroic partner. The synopsis gives no more specific relationship details.
Young sea turtle protagonist navigating ocean dangers and discovering his true heritage
Voice of a school bully and corporate investor.
Voice actor providing generic background vocalizations for crowd scenes
Snake-themed enforcer for the Black Dragon clan in the post-apocalyptic era.
Voice of Ben's arch-nemesis, ruthless alien warlord.
Mon El introduces Supergirl to the Legion Academy and initially appears to be a fellow trainee and ally. He later reveals himself as an agent of the Dark Circle, stabs Supergirl with a kryptonite blade, and helps seize the Miracle Machine. After the students resist and the crisis ends, Mon El and the Circle are defeated.
A briefly featured voice associated with Gotham's vigilante movement or police response.
Yuri Lowenthal has 107 screen credits in a career dating back to 2000. Their work spans 23 cinematic universes — most prominently The Swan Princess Collection with 8 titles. Signature works include Ben 10: Omniverse, Ben 10: Ultimate Alien, Ben 10: Alien Force. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 23 universes
Related entry on Wikidata (Q579804), public domain (CC0).