Frog
This NPC can be found in Duskwood (38), The Steamvault (6), Maraudon (23), Zul'Gurub (17), Zangarmarsh (263), Hellfire Peninsula (7), Nagrand (5), Eversong Woods (10), Ghostlands (12), Gundrak (16), The Slave Pens (6), Dire Maul (3), Westfall (38) and Elwynn Forest (262).