Toad
This NPC can be found in Swamp of Sorrows (10), Elwynn Forest (3), Wetlands (38), Arathi Highlands (6), Silverpine Forest (34), Alterac Mountains (1), Darnassus (22), Un'Goro Crater (44), Dustwallow Marsh (65), Mulgore (1), The Barrens (1), Teldrassil (22), Black Temple (2), Ghostlands (3), Eversong Woods (5) and Nagrand (99).