Barry Waddle was the identity assumed by Arne Darvin following his expulsion from Klingon Intelligence in 2268. The Klingon, surgically altered to look Human, Barry Waddle was a merchant dealing mainly in gemstones, kevas, and trillium. Under the alias of Waddle, Darvin was able to gain passage on the USS Defiant in 2373. (DS9: "Trials and Tribble-ations")