Juryrigg

Jury Rigg is the Codon Stream's DNA sample of an unknown species.

Jury Rigg is a new alien scheduled to appear sometime in Ben 10: Ultimate Alien. 

Appearance
In the same link from the above second source it states that Jury Rigg "isn't big in a physical sense."

Powers and Abilites
Unknown

Weakness
Unknown

Appearances
Unknown

Translations
Unknown