Sergeant-at-Claws

Sergeant-at-Claws was a military rank in the Special Loathsome Forces, a unit that saw action during the Megalomaniac Wars. Prod reached the rank of Sergeant-at-Claws.

Behind the scenes
The "Sergeant-at-Claws" title was mentioned in Monsters and Aliens from George Lucas, a book published in 1993. Lucasfilm employee Leland Chee, who maintains the Holocron continuity database, has indicated that information contained in the book is non-canonical.