Snake
This NPC can be found in Zangarmarsh (207), Dustwallow Marsh (50), Desolace (27), Eversong Woods (21), Feralas (18), Un'Goro Crater (16), The Barrens (16), Westfall (15), Nagrand (10), Howling Fjord (8), Gundrak (7), Ghostlands (7), Silverpine Forest (6), Tanaris (2), Hellfire Peninsula (2), Grizzly Hills (2), Stonetalon Mountains (1), Thousand Needles (1), Tirisfal Glades (1) and Silvermoon City (1).