Gragg

"5, Tuesday. Crawl out of cave. Find Gragg. Eat him."

- Unidentified sentient creature

Gragg was a male individual. A creature once planned on finding Gragg and eating him.

Behind the scenes
Gragg 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.