Gizzix Grimegurgle

From wow.incgamers.com

Gizzix Grimegurgle is a level 40 Goblin in Mudsprocket, a neutral Goblin town in Dustwallow Marsh.

Gizzix gives the quest Catch a Dragon by the Tail.

He can be found on the west side of Mudsprocket, bear right as you go through the front gate.