Dimension 5

Dimension 5, often called the 5YL timeline, is a time where Ben and gang are young adults and encounter Danny Phantom.

Inhabitants

 * Ben Tennyson
 * Rook Blonko
 * Danny Fenton
 * Gwendolyn Tennyson
 * Kevin Levin
 * Max Tennyson
 * Cooper Daniels
 * Blukic and Driba
 * The Orion Squad
 * Eon (from time to time)
 * Aloysius Animo

Notable Visitors

 * Ben Tennyson Prime
 * Professor Paradox

Omnitrix Alien Inhabitants

 * Heatblast
 * Wildmutt
 * Diamondhead
 * XLR8
 * Greymatter
 * Four Arms
 * Stinkfly
 * Ripjaws
 * Upgrade
 * Ghostfreak
 * Cannonbolt
 * Wildvine
 * Ditto
 * Swampfire
 * Echo Echo
 * Humungousaur
 * Jetray
 * Big Chill
 * Chromastone
 * Brainstorm
 * Spidermonkey
 * Goop
 * Alien X
 * Lodestar
 * Water Hazard
 * Armodrillo
 * NRG
 * Fasttrack
 * Shocksquatch
 * Bloxx
 * Gravattack
 * Pesky Dust

Mentioned Only Aliens

 * Blitzwolfer
 * Snare-Oh
 * Frankenstrike
 * Upchuck
 * Eye Guy
 * Way Big
 * Arctiguana
 * Rath
 * Nanomech
 * AmpFibian
 * Terraspin
 * ChamAlien
 * Eatle
 * Clockwork
 * Jury Rigg
 * Crashhopper
 * Ball Weevil
 * Walkatrout
 * Acidgrime