Dark Matter is a Mutant Galvin Hybrid, one of the Antitrix Aliens, and an antagonist in the 2016 Ben 10 series.
Ben 10 (2016)
Dark Matter made his first appearance in the episode "King of the Castle", where Kevin Levin turned into him after turning into Thornblade and Undertow to fight against Ben as Four Arms with his abilities, only to later turn back into Kevin a bit later.
Dark Matter returned in the episode "Wheels of Fortune", where Kevin turned into him to help Lucien LaGrange power up his car and steal various items. After being betrayed by LaGrange, Dark Matter turned into Quad Smack to help Ben defeat him.
Dark Matter also appears in the episode "What Rhymes with Omnitrix?", where Kevin turned into him to help both Ben and Gwen fight against Charmcaster for ruining his poems for Gwen.
In the episode "You Remind Me of Someone", Kevin turned into Dark Matter as well as Undertow and Bashmouth after being hit be a gas made by the Forgeti, to fight against Ben. Thinking that the two were each other, only to turn back to normal and possibly leave a bit later.
In the episode "Roundabout: Part 2", Kevin turned into Dark Matter to help both Ben and Gwen fight against the Forever Knight, only to later be stuck in a time loop.
After escaping the time loop, Kevin used Dark Matter in the episode "The Monsters Inside Your Head", to help both Ben and Gwen fight against Aloysius Animo and possibly left a bit later.
Dark Matter appeared in a vesion in the episode "Tales from the Omnitrix", where Ben, Gwen and Max well telling each other tales on how to defeat Kevin.
Dark Matter also appears in "Ben 10 Versus the Universe: The Movie", where Kevin would turn into him to fight and possibly escape from Vilgax.
- Unlike other Galvins, Dark Matter has been shown to be taller than a Tetramand.
- Dark Matter shares some similarities to Albedo, both being red galvins and an evil counterpart to Grey Matter.