Ben 10 - - Omniverse

Much of the action takes place in Undertown , a secret alien city hidden beneath Bellwood. This vibrant, bustling underworld expanded the show's world-building, introducing a wider variety of alien civilians and eccentric shopkeepers like Pakmar . Artistic Direction and Tone

Omniverse had a lighter tone, but it wasn't afraid to get dark. The series featured two primary antagonists who rivaled Vilgax in menace. Ben 10 - Omniverse