Mouse
This NPC can be found in Duskwood (42), Mulgore (41), Westfall (33), Dustwallow Marsh (33), Wetlands (14), The Exodar (12), Desolace (11), Stonetalon Mountains (10), Netherstorm (9), Grizzly Hills (4), Camp Narache (2), Thunder Bluff (2), Silvermoon City (2) and Crystalsong Forest (1).