Toad
This NPC can be found in Nagrand (88), Dustwallow Marsh (69), Un'Goro Crater (37), Darnassus (32), Teldrassil (31), Wetlands (30), Black Temple (12), Ghostlands (11), Swamp of Sorrows (11), Eversong Woods (8), Silverpine Forest (7), Howling Fjord (7), The Barrens (6), Zul'Gurub (6), The Underbog (6), Terokkar Forest (4), The Steamvault (2), Arathi Highlands (2), Undercity (1) and Shattrath City (1).