TheWoWDBHumanoid
Katy Stampwhistle
The Postmaster's Assistant
Details
This roster comes from the current game client's data files, so it is not a complete list of every NPC in the game - older world NPCs that are no longer in the modern client are absent.
Level and Map Tracking
The game data tunes Katy Stampwhistle for levels 78 to 80, The War Within content.