Original Ben 10 aliens: Starlequin and Fragon by MisakaLovesYou on

Sephiroth / Yog-Sothoth (Ben 10 Radiant War) by MisakaLovesYou on DeviantArt

Zombozo and Rojo, MHA Style (Rise of Ben 10) by MisakaLovesYou on DeviantArt

Ultimate Cannonbolt and Spidermonkey redesign. by MisakaLovesYou on DeviantArt

Overkill (True Omniverse) by PowerMaster17 on DeviantArt

Original Alien: Ultimate Fragon by MisakaLovesYou on DeviantArt

Bashmouth and TyGantosaur (Humungouraptor MHA). by MisakaLovesYou on DeviantArt

Ben 10 as Slobberbat (Olbatraz Form) by ForgeVdeviantart on DeviantArt

Ultimate Water Hazard by MisakaLovesYou on DeviantArt

Black Matter (Remake) by Animallover4813 on DeviantArt

So what if ben doesn't have his old aliens back and is stuck with his ov at the beginning of omniverse to midway how would it effect the story overall : r/Ben10

Original Ben 10 aliens: Starlequin and Fragon by MisakaLovesYou on DeviantArt

Ben10 Crossover Alien : ExperimenTen by Spyro2108 on DeviantArt

Tormentor (True Omniverse) by PowerMaster17 on DeviantArt

Ben 10 Crossover Alien Fusion : Mecha-Quill by Metalsonicomaewa on DeviantArt