Frog
This NPC can be found in Zangarmarsh (550), Elwynn Forest (468), Duskwood (158), Westfall (50), Ghostlands (24), Maraudon (23), Eversong Woods (20), Zul'Gurub (17), Gundrak (16), Coilfang: The Steamvault (6), Coilfang: The Slave Pens (6) and Dire Maul (3).