Ben 10 Omniverse (Dino-drone's edition)

Main Characters

 * Ben Tennyson (Yuri Lowenthal)
 * 11-Year Old Ben Tennyson (Tara Strong)
 * Rook (Bumper Robinson)
 * Metrogirl (Catherine Taber): She returns to Bellwood to tag along with Ben and Rook. Her disign is simular to Amy Cavenaugh form Scooby Doo: Mystery Incorperated.
 * Wrex : A Vexasaurian

Secondary Characters

 * Julie Yamamoto (Vyvan Pham)
 * Kevin Levin (Greg Cipes)
 * Gwen Tennyson (Ashley Johnson)
 * Grandpa Max (Paul Eiding)
 * Tetrax Shard (David Fennoy)
 * Mr. Baumann (Corey Burton)
 * Magister Patelliday (Rob Paulsen)
 * Pakmar (Tera Strong)
 * Azmuth (René Auberjonois)
 * Professor Paradox (David McCullum)
 * Kai Green (Andrea Baker):
 * Elena Validus (Jessica DiCicco): Returns with her Nanite powers and at the same college where Gwen and Kevin are at.
 * Argit (Alexander Polinsky): Still a smuggler and a con artist
 * Bivalvan
 * P'andor: Noe works at a Powerplant
 * Ra'ad
 * Andreas
 * Galapagus

Villains

 * Khyber (David Kaye): the main antagonist of Seasons 1 & 2, uses the Nemetrix on his pet so he can collect Ben
 * Khyber's pet
 * Malware (Corey Burton)
 * Psyphon (Dee Bradley Baker)
 * Liam (Paul Eiding)
 * Bubble Helmet (John DiMaggio)
 * Fistina (Morgan Lofting)
 * Tarboy (Rick D. Wasserman): returns working with Phyphon
 * Zombozo (John DiMaggio)
 * Albedo (Yuri Lowenthal)
 * Malware (Corey Burton)
 * Emperor Milleous (Kevin Michael Richardson)
 * EightEight (Russi Taylor): Sixsix and Sevenseven's sister
 * Vulkanus (John DiMaggio)
 * King Viktor (Michael Dorn)
 * Dr. Animo (Dwight Schultz)
 * Overlord (Christopher McDonald): Wearing new improved armor
 * Lord Ricoronis (James Remar)
 * Sunny (Ashley Johnson)
 * The Vreedle Brothers (John DiMaggio & Rob Paulsen)
 * Computron 2.0 (Dee Bradley Baker)
 * Blitz Claw (Nolan North): Returns with new weapons

Omnitrix Aliens

 * 1) Heatblast (David Kaye)
 * 2) Wildmutt (Dee Bradley Baker)
 * 3) Diamondhead (Eric Bauza)
 * 4) XLR8 (Yuri Lowenthal)
 * 5) Grey Matter (Eric Bauza)
 * 6) Fourarms (John DiMaggio)
 * 7) Stinkfly (Dee Bradley Bker)
 * 8) Ripjaws (Fred Tatasciore)
 * 9) Upgrade (Any voice)
 * 10) Ghostfreak (Steven Blum)
 * 11) Cannonbolt (David Kaye)
 * 12) Wildvine (Jim Cummings)
 * 13) Benwolf (Troy Baker)
 * 14) Benmummy (Kevin Michael Richardson)
 * 15) Benvicktor (Michael Dorn)
 * 16) Upchuck (Eric Bauza)
 * 17) Ditto (Rob Paulson)
 * 18) Way Big (Fred Tatasciore)
 * 19) Eye Guy (Paul Eiding)
 * 20) Swampfire (Dee Bradley Baker)
 * 21) Echo Echo (Dee Bradley Baker)
 * 22) Humungousaur (John DiMaggio)
 * 23) Jetray (Dee Bradley Baker)
 * 24) Big Chill (Dee Bradley Baker)
 * 25) Chromastone (Dee Bradley Baker)
 * 26) Brainstorm (Corey Burton)
 * 27) Spidermonkey (Dee Bradley Baker)
 * 28) Goop (Dee Bradley Baker)
 * 29) Alien X (Keith Szarabajka)
 * 30) Lodestar (Dee Bradley Baker)
 * 31) Rath (John DiMaggio)
 * 32) Nanomech (Gary Imhoff)
 * 33) Water Hazard (Dee Bradley Baker)
 * 34) Ampfibian (Troy Baker)
 * 35) Armodrillo (John DiMaggio)
 * 36) Terraspin (Bumper Robinson)
 * 37) NRG (Dee Bradley Baker)
 * 38) Fasttrack (James Arnold Taylor)
 * 39) Clockwork (Dee Bradley Baker)
 * 40) ChamAlien (Charlie Adler)
 * 41) Shocksquatch (David Kaye)
 * 42) Eatle (Eric Bauza)
 * 43) Jury Rigg (Bumper Robinson)
 * 44) Bloxx (Bumper Robinson)
 * 45) Feedback (Yuri Lowenthal):
 * 46) Gravattack (David Kaye)
 * 47) Kicken Hawk (Charlie Adler)
 * 48) Ball Weevil (Mike Blaise Rubio)
 * 49) Crashopper (Dee Bradley Baker)
 * 50) Spitter (Steven Blum)
 * 51) Buzzshock (Caros Alazraqui)
 * 52) Arcticguana (Troy Baker)
 * 53) Sonic Rex (Steven Blum): A Tyrannosaurus Rex-like Alien that creats sonic vibrations through his claws and sonic roars
 * 54) Phantom Bird (John DiMaggio)
 * 55) GatorCroc (Kevin Michael Richardson): A Alligator-like alien.

Nemetrix Predatory Aliens

 * 1) Buglizard
 * 2) Crabdozer
 * 3) Slamworm
 * 4) Mucilator
 * 5) Razorbax:
 * 6) Mammothor
 * 7) Pirahnax
 * 8) Dragosaurus:
 * 9) Wolfodd
 * 10) Achidna