Ben 10: Alien Hero

 is an American animated action-adventure-science fiction television series based on the  franchise created by. It is produced by Cartoon Network Studios and it airs on Cartoon Network since October 6th, 2019.

Synopsis
When Ben Tennyson gains a new variation of the Omnitrix named the Fusiontrix, using it to take down several menaces, learning that the Fusiontrix allows him to fuse aliens.

Main

 * Ben Tennyson (voiced by Yuri Lowenthal and Tara Strong as a child in flashbacks) - a teenager who has the ability to morph into different alien species through the TBD.
 * Kevin Levin (voiced by Greg Cipes) - Ben's former rival turned close friend who can absorb several TBD.
 * Gwen Tennyson (voiced by Ashley Johnson) - Ben's cousin who is part-Anodite and TBD.
 * Rook Blonko (voiced by Bumper Robinson) - TBD
 * Max Tennyson (voiced by ) - TBD

Ben's aliens

 * Wildmutt (vocal effects by Dee Bradley Baker) - TBD
 * Grey Matter (voiced by Richard Steven Horvitz) - TBD
 * Four Arms (voiced by John DiMaggio) - TBD
 * Heatblast (voiced by Steven Blum) - TBD
 * XLR8 (also voiced by Yuri Lowenthal) - TBD
 * Diamondhead (voiced by Jim Ward) - TBD
 * Cannonbolt (voiced by David Kaye) - TBD
 * Spidermonkey (voiced by Dee Bradley Baker) - TBD
 * Humungousaur (also voiced by John DiMaggio) - TBD
 * Big Chill (also voiced by Dee Bradley Baker) - TBD
 * Echo Echo (also voiced by Dee Bradley Baker) - TBD
 * Brainstorm (voiced by Corey Burton) - TBD
 * Water Hazard (also voiced by Dee Bradley Baker) - TBD
 * Frankenstrike (voiced by Michael Dorn) - TBD
 * Blitzwolfer (voiced by Kevin Michael Richardson) - TBD
 * Rath (also voiced by John DiMaggio) - TBD
 * Bloxx (also voiced by Bumper Robinson) - TBD
 * Upgrade (also voiced by Yuri Lowenthal) - TBD
 * Alien X (also voiced by Yuri Lowenthal) - TBD
 * Nanomech (also voiced by Dee Bradley Baker) - TBD
 * Eye Guy (also voiced by Dee Bradley Baker) - TBD
 * Clockwork (also voiced by Dee Bradley Baker) - TBD
 * Whampire (also voiced by John DiMaggio) - TBD
 * Terraspin (also voiced by Bumper Robinson) - TBD
 * Swampfire (also voiced by Dee Bradley Baker) - TBD
 * Chromastone (also voiced by Dee Bradley Baker) - TBD

Fusions

 * Swampblast (voiced by Steven Blum and Dee Bradley Baker fused) - TBD
 * Cannonarms (voiced by John DiMaggio and David Kaye fused) - TBD
 * Spidermutt (also voiced by Dee Bradley Baker) - TBD
 * Upgrade X (also voiced by Yuri Lowenthal) - TBD
 * Big Hazard (also voiced by Dee Bradley Baker) - TBD
 * Greymech (voiced by Richard Steven Horvitz and Dee Bradley Baker fused) - TBD
 * Whamstrike (voiced by John DiMaggio and Michael Dorn fused) - TBD
 * Eye Echo (also voiced by Dee Bradley Baker) - TBD
 * XLRXX
 * Terrarath
 * Diamondsaur
 * Brainwolfer
 * Clockstone

Supporting

 * Azmuth (voiced by Jeff Bennett) - TBD
 * Kai Green (voiced by ) - TBD
 * Cooper Daniels (voiced by Scott Porter) - TBD
 * Professor Paradox (voiced by ) - a strange time-traveling professor who aids TBD.
 * [Ben's parents and Gwen's]
 * Ben Tennyson (future)/Ben 10.000 (also voiced by Yuri Lowenthal) - TBD

Antagonists

 * Vilgax (also voiced by Steven Blum) - an alien invader who wants to cause the end TBD.
 * The Man in the Black Suit (voiced by Rino Romano) - a shady government agent who aims to hunt and take down what he sees as threats to society, including Ben himself.
 * Hex (voiced by Khary Payton) - TBD
 * The Charmcaster (voiced by Kari Wahlgren) - TBD
 * Dr. Aloysius Animo (voiced by Dwight Schultz) - TBD
 * Michael Morningstar (voiced by Wil Wheaton) - TBD
 * Zombozo (also voiced by John DiMaggio) - TBD
 * Acid Breath (also voiced by Dee Bradley Baker) - TBD
 * Frightwig (voiced by Cree Summer) - TBD
 * Thumbskull (also voiced by David Kaye) - TBD
 * Albedo (also voiced by Yuri Lowenthal) - TBD
 * Sunny (also voiced by Ashley Johnson) - TBD
 * Phil Billings (voiced by Rob Paulsen) - TBD
 * Elena Validus (voiced by ) - TBD
 * Kundo (also voiced by Jeff Bennett) - TBD
 * Eon (also voiced by Yuri Lowenthal) - TBD
 * [any classic Ben 10 villains to return if there's any more that'll be cool to see]
 * Cypher and Blackout (voiced by Matthew Mercer and Marisha Ray, respectively) - a criminal couple who TBD.

Episodes
See List of episodes.

Trivia

 * Although the events of Omniverse are canon to it, the characters' designs are reverted back to the Alien Force/Ultimate Alien ones.
 * [being a balance of action-comedy like the original and Omniverse]
 * Here are the new designs:
 * Ben now wears a green hooded jacket with white details, white jeans and a TBD.
 * [Kevin]
 * [keep Gwen's hair loose, obviously taking the glasses off]
 * Rook's design is adapted to the Alien Force/Ultimate Alien artstyle.
 * Max looks essentially the same.
 * [Vilgax]
 * VARIANT:
 * Cartoon Network Studios: [clip like Omniverse and the reboot]
 * VARIANT:
 * Cartoon Network Studios: [clip like Omniverse and the reboot]