34497a3fe0ef52949a1ba8e99894ed69 This article belongs to the Classic Continuity

Antonio is a large grey hulking brute with little intelligence and who often talks in third person. He's the ex-boyfriend of Ben and Gwen's cousin, Sunny, and is the current boyfriend of Ben's friend, Ester.


Antonio looks like a troll with elf-like ears, long hair, and bushy eyebrows. He wears black briefs, making him look like a caveman.

In Omniverse, he wears a biker outfit and a helmet with goggles. He's no longer portrayed with pupils.


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Ultimate Alien

After Sunny was sent to Earth to live with her aunt for the summer (because of her relationship with Antonio, who apparently has a record), Antonio followed her and took Sunny on a night out in town, with himself as their mode of transportation. Sunny immediately rescheduled their plans when Sunny learned that there were more Dimension 12 robots. With Sunny and Antonio's help, they were easily able to defeat the robots, however Antonio nearly set off the bomb when he mistook it for one of the robots and thus began trying to smash it.

When Gwen decided to send Sunny home, both Sunny and Antonio immediately began fighting the team, while Gwen fought Sunny, Antonio fought Humungousaur, when he proved stronger than even Humungousaur, Ben went Ultimate Humungousaur. Ben was able to trick Antonio into zapping himself with electricity when he tore out an active light pole. After the fight, Antonio was taken back to his home world by Verdona to allow his parents to decide on his punishment.


In The Most Dangerous Game Show, it turns out that Antonio and Sunny have apparently broken up and that Antonio's now going out with Ester. While it's never explained how Ester and Antonio met and started dating or how long they've been dating, it's clear from their interactions with each other that they've known each other and have been dating for kind of a while at that point--it's also clear that Ester and Antonio really like each other and are genuinely happy together. Antonio most likely met Ester sometime after Fight at the Museum.

Love Interests


A cousin of Ben and Gwen Tennyson, Sunny is Antonio's first known girlfriend. Sunny and Antonio have a deep love for each other, and are not ashamed of demonstrating it; even to the extreme. She flauntingly brags about him from time to time; which annoys anyone unfortunate enough to be within earshot of her.

Despite Sunny's apparent love for Antonio, Sunny often flirts with other boys behind his back (such as Gwen's boyfriend, Kevin Levin). Sunny's parents don't approve of her relationship with Antonio, believing him to be a bad influence on their daughter (in reality, it's more the other way around). Though Sunny's parents tried separating them by sending Sunny to live with Gwen's family on Earth for the summer, Antonio eventually found her.

Antonio is basically Sunny's slave, and he does whatever she tells him to. Sometimes when he looks at her, he gets dazed.


Antonio's revealed to be Ester's new boyfriend at the end of The Most Dangerous Game Show, and it's clear from their interactions that they've been dating for kind of a while. While it's never explained why/when Sunny and Antonio broke up and/or how Antonio and Esther met and started dating, it's likely that Ester met Antonio sometime after Fight at the Museum. It's unknown if Ester and Antonio met while he and Sunny were still dating or if they didn't meet until after he and Sunny had broken up.

At the end of The Most Dangerous Game Show, it's clear that Ester and Antonio really like each other, showing that Ester's a way better match for Antonio as a girlfriend than Sunny ever was.

Powers and Abilities

Antonio possesses great strength, which is enough to easily defeat a group of robots from Dimension 12, and even fight Ultimate Humungousaur to a standstill.


Antonio is all brawn but no brains, and can be easily tricked by anyone.


Ben 10: Ultimate Alien

Ben 10: Omniverse

Naming and Translations

Language Name Origin
Spanish (HA) Antonio Gálvez From Antonio Gálvez (Scooby-Doo! Mystery Incorporated dubbing voice actor)


  • While it's never confirmed how/why they broke up, the show's creators have confirmed that Antonio and Sunny are no longer dating.[1]
  • Antonio often says he fights for love when fighting.
  • Antonio's Omniverse design bears a resemblance to Lobo from DC Comics.


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