Template:BB

''This template is incomplete. It does not feature all series and/or doesn't feature all aliens from all series. Please fix this if your series is not included here. Please do not include original aliens on your series if you have some. ''

{|class="collapsible collapsed" width="100%" style="border:2px solid #339900; -moz-border-radius:7.5px; clear:both; font-size:75%; font-family:Tahoma;" ! colspan="2" style="background:#339900; -moz-border-radius:3.25px;" align="center"| Ben 10: Ultimate Heroes
 * width="15%" style="green; color:black; -moz-border-radius:3.25px;"| Infinity Matrix/Omnitrix Aliens
 * Heatblast - Wildmutt - Fourarms - Diamondhead - XLR8 - Ghostfreak - Ripjaws - Upgrade - Grey Matter - Stinkfly - Cannonbolt - Wildvine - Yenaldooshi - Mummy - Dr. Viktor - Upchuck - Ditto - Tokus'tar - Eye Guy - Absolute 0- Buzzshock - Spitter - Eon - Swampfire - Chromastone - Big Chill - Humongousaur - Echo Echo - Brainstorm - Spidermonkey - Goop - Aerophibian - Alien X - Rath - Nanomech - Squidstrictor - Rocks - NRG - Amperi - Armodrillo - Terraspin - Water Hazard -  Clockwork - Eatle - Overkill - Rapitrack - 'Lil Devil - Ball Weevil - Electriyeti - Feedback - Brixx - Graviton - Crashhopper - Tomahawk - Walkatrout - Pesky Dust - The Worst - Atomix - Snakepit - Sandbox - Shellhead - Toepick - Outbreak - Overflow - Shredderball - Darkflame - Kkrab - Metalmono - Rupture - Bugbomb - Detrovite - Thunderclap - Crabcano - Pigletus - Equinox - Reaper - Jetstream - FlameOgre - Scoldfish - Blowhole - MajikRock - Ampethyst - Spiky - Badaboom - Scorch
 * width="15%" style="green; color:black; -moz-border-radius:3.25px;"| Ultimate Aliens
 * Ultimate Wildmutt - Ultimate Fourarms - Ultimate Greymatter - Ultimate XLR8 -
 * width="15%" style="green; color:black; -moz-border-radius:3.25px;"| Ultimate Aliens
 * Ultimate Wildmutt - Ultimate Fourarms - Ultimate Greymatter - Ultimate XLR8 -