|Species||Evolved Arburian Pelarota|
|Home World||Arburia (destroyed)|
|Powers and abilities|
|Abilities|| Spiked Shell|
|Voice Actor||Dee Bradley Baker|
|First Appearance||Too Hot to Handle|
Ultimate Cannonbolt is the evolved form of Cannonbolt.
Ultimate Cannonbolt looks like Cannonbolt, but he has hard light metallic blue skin. His shell has cylindrical studs that turn into spikes when he goes into his ball form. He has two on each back segment and one on each shoulder, wrist and leg plate. His teeth are similar to Cannonbolt's, but he has two sharp teeth.
Ultimate Cannonbolt wears the evolved Ultimatrix symbol on his chest.
Ultimate Cannonbolt's sphere form is similar to Cannonbolt, but grey. The spikes on the armor become pointed when in sphere form.
Powers and Abilities
Ultimate Cannonbolt has powers similar to Cannonbolt's, but Ultimate Cannonbolt's shell has spikes on it and increased defense and offensive abilities.
Ultimate Cannonbolt has increased speed, momentum, and can bounce higher.
Ultimate Cannonbolt is able to take hits from Sunder's energy axe, only being pushed back.
Ultimate Cannonbolt also has superhuman strength, since he could smash Sunder to the ground with his fists with ease.
According to the Galactic Racing website and Eugene, Ultimate Cannonbolt can fire his spikes as projectiles, but he never used this power.
- Ultimate Cannonbolt first appeared in Too Hot to Handle. Ultimate Cannonbolt held P'andor while Kevin placed P'andor's containment suit back on him.
- In Perplexahedron, Ultimate Cannonbolt failed to protect his piece of the Map of Infinity from Ultimate Aggregor.
- In The Transmogrification of Eunice, Ultimate Cannonbolt defeated Sunder.
- In It's Not Easy Being Gwen, Ultimate Cannonbolt defeated Dr. Animo.
Ben 10: Ultimate Alien
- Too Hot to Handle (first appearance)
- The Transmogrification of Eunice
- It's Not Easy Being Gwen
- Night of the Living Nightmare (Albedo's dream; cameo)
- Ultimate Cannonbolt is a playable alien racer in Galactic Racing.
- Ultimate Cannonbolt is playable alien in Xenodrome.
Naming and Translations
|Greek||Απόλυτος Κάνονμπολτ||From απόλυτος, ultimate and κάνονμπολτ, cannonbolt|
|Polski||Ostateczny Kulopłot||From ostateczny, ultimate and kulopłot, cannonbolt|
|Portuguese (Brazil)||Bala de Canhão Supremo||From bala, bullet; canhão, cannon and supremo, supreme|
|Spanish (Spain)||Ultimate Rayo||From rayo, beam|
|Spanish (Hispanic America)||Cannonbolt Supremo||From cannonbolt and supremo, ultimate|
|Dutch||Ultieme Kanonbal||From ultime, ultimate and kanonbal, cannonbolt|
|German||Ultimative Kanonenkugel||From ultimative, ultimate and kanonenkugel, cannonbolt|
|French||Ultimate Boulet de Canon||From ultimate and boulet de canon, cannonball|
|Russian||Высшее ядро||From высшее ядро, ultimate ball|
|Chinese||终极轰天雷||From 终极(Zhōng Jí), ultimate and 轰天雷(Hōng Tiān Léi)， "the rolling thunder"|
|Arabic||كانون بولت الأقصي|
- Ultimate Cannonbolt is one of the Ultimate forms that didn't change greatly in comparison with the regular form. The others are Ultimate Big Chill, Ultimate Wildmutt, and Ultimate Way Big.
- Ultimate Cannonbolt does not seem to lose momentum when he bounces around, regardless of the spikes sticking out of his shell.
- Ultimate Cannonbolt is one of the three playable Ultimate Aliens in Ben 10: Ultimate Alien: Game Creator. However, he is replaced by his devolved form for the Omniverse version of it.
- Ultimate Cannonbolt is a playable character on Cartoon Network's Toon Football.
- In all of his appearances, Ultimate Cannonbolt is the last alien used in that episode.
- Ultimate Cannonbolt is May's Alien of the Month.
- In Project Exonaut, Ultimate Cannonbolt is a level 30 suit.
- According to Derrick J. Wyatt, they considered to add him in the 4th arc of Omniverse, but they ended up cutting him.