Nyyv was a Sullustan native to the oceanic world of Vaynai. He owned and operated Uncle Nyyv's Floating Eatery, found on Streysel Island, during the height of the New Order. He was a native speaker of many languages, including Rodese.
Translated into basic, the name "Nyyv" means "flexible"[1].
Sources
"The Vaynai Archipelago" — Star Wars Gamer 8 (First mentioned)- Galactic Campaign Guide