Toad
This NPC can be found in Nagrand (93), Silverpine Forest (79), Dustwallow Marsh (75), Felwood (63), Ashenvale (55), Orgrimmar (48), Durotar (48), Wetlands (43), Darnassus (33), Swamp of Sorrows (29), Hillsbrad Foothills (18), Ghostlands (9), Eversong Woods (8), Howling Fjord (7), Shadowglen (4), Northern Barrens (3), Black Temple (12), Western Plaguelands (3) and The Steamvault (2).