A/N: This story is a Hazbin Hotel/Helluva Boss/Ben 10 Omniverse/Generator Rex Crossover Story

Name: Ben "Kirby" Tennyson

Age: 21

Omnitrix (He has access to aliens from the original to Omniverse)

Name: Rex Salazar

Age: 21

Nanites

Omega-1 Nanite

Builds:

Smack Hands

Big Fat Sword

Slam Cannon

Boogie Pack

Punk Busters

Rex Ride

Blast Catcher

Fun Chucks

Bad Axes

Block Party

Sky Slyder

Name: Ethan "Felix" Tennyson

Age: 22

Or

Omnitrix (He has access to the same aliens that Ben has except he has access to Shock Rock, The Omni-Enhanced aliens(best thing I like about the reboot fight me), access to new aliens, access to Ultimate Aliens both old and new, unlimited access to Alien-X (but rarely uses it except as a last resort or if he feels like putting someone in there place), and has access to the Antitrix aliens.