Ultimate Arctiguana

Ultimate Articguana is the evolved form of Articguana.

Appearance
In his evolved form, he has greatly increased in size, and he has what appears to be red armor. He has three growths dangling from his chin, and his teeth are now sticking out of the bottom jaw. He has ice covering sections of his back and shoulders, with large red cannons sticking out. The black markings on his face have changed.

The Ultimatrix symbol is on the ice spikes on his back.

Powers and Abilities
Ultimate Articguana is capable of firing a long-range freeze ray that isolates targets in ice on contact.

Ultimate Articguana can shoot large columns of ices from his cannons, and propel himself across the ground with their force.

Omniverse

 * Negative Ultimate Articguana made his debut in the episode For a Few Brains More.
 * He pursues and attacks Ben's team, in his attempt to recover Azmuth's brain.

Ben 10: Omniverse

 * For a Few Brains More (first appearance; used by Albedo)

Trivia

 * Ultimate Articguana resembles Blastoise from the Pokémon series.
 * The way Ultimate Articguana use his ice breath when flying is similar to Godzilla's.
 * Ultimate Articguana is the second Ultimate Form that has Ice powers, the first is Ultimate Big Chill.