13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Tunnel Rat Scout10–11Loch Modan
Tunnel Rat Geomancer12–13Loch Modan
Tunnel Rat Digger12–13Loch Modan
Tunnel Rat Forager11–12Loch Modan
Tunnel Rat Surveyor14Loch Modan
Mo'grosh Ogre18–19Loch Modan
Mo'grosh Enforcer18–19Loch Modan
Mo'grosh Brute19–20Loch Modan
Mo'grosh Shaman18–19Loch Modan
Brother Anton45Scarlet Crusade EmissaryDesolace
Mo'grosh Mystic19–20Loch Modan
Cliff Lurker18Loch Modan
Wood Lurker17–18Loch Modan
Elder Black Bear11–12Loch Modan
Daryl the Youngling15Loch Modan
Grizzled Black Bear13–14Loch Modan
Black Bear Patriarch16–17Loch Modan
Mountain Boar10–11Loch Modan
Mangy Mountain Boar14–15Loch Modan
Elder Mountain Boar16–17Loch Modan
Loch Frenzy12–13Loch Modan
Mountain Buzzard15–16Loch Modan
Forest Lurker10–11Loch Modan
Ice Claw Bear7–8Dun Morogh
Stonesplinter Shaman15–16Loch Modan
Rallic Finn18BowyerElwynn Forest
Juvenile Snow Leopard5–6Dun Morogh
Morbent Fel32Duskwood
Snow Leopard7–8Dun Morogh
Tunnel Rat Kobold11Loch Modan
Grawmug17Loch Modan
Gnasher16Loch Modan
Brawler16Loch Modan
Chok'sul22Loch Modan
Leper Gnome8–10Dun Morogh
Bishop Farthing40Stormwind City
Godric Rothgar5Armorer & ShieldcrafterElwynn Forest
Aldren Cordon18ClothierLoch Modan
Alchemist Mallory26Journeyman AlchemistElwynn Forest
Shore Crawler17–18Westfall

Classic reference data from QuestieDB (Forever data, commit c5de61a), with positions on Forever's zone maps. It doesn't confirm that an NPC, location, quest or item is in Forever.