13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Suspicious Adventurer60Western Plaguelands
Roosting Duskbat37–38Riverglades
ZelizaxUnknownWinterspring
Corporal Adamore17–18The Barrens
Scout RaroulUnknownFeralas
SpekUnknownRiverglades
MukomonjiUnknownSwamp of Sorrows
Brinescale Skirmisher36–38Stranglethorn Vale
Tuu'li20Magnificent MysticStonetalon Mountains
Xaphod Bizznox20Stonetalon Mountains
Rimblat Earthshatter60Earthen RingMulgore
Brix Xizzix20EntrepreneurMulgore
Earthen Ring Shaman55Mulgore
Galestrider10Mulgore
Forlorn GhostUnknown
Palah Thunderhoof55Shaman TrainerMulgore
Hana Lighthoof55Druid TrainerMulgore
Magram MarauderUnknownShen'dralas
Blademaster KaijoUnknownRiverglades
Tessa DawnbrightUnknownRiverglades
Myriaal Mistwake10Rangers of Thendal GroveZephras Isle
Gray Dawnbright40Riverglades
Tan'janiUnknownRiverglades
DorbUnknownRare GoodsRiverglades
Glade Viper37Riverglades
OmbassaUnknown
Madam Swyndle60Agent of the Black MarketRiverglades
Low Plains Buzzard38Riverglades
Roving Tallstrider37Riverglades
James Battlewing61Darkspear Islands BattlemasterStormwind City
Sleebo Fizzlespout40Riverglades
G45-B4G38Riverglades
Ghostmaw42Riverglades
Mister Graphed60Agent of the Black MarketRiverglades
Enraged ApparitionUnknownThe Hall of Thanes
Tormented SoulUnknownThe Hall of Thanes
Bethra'zelUnknown
Dark Iron LooterUnknown
Dark Iron EngineerUnknown
Sam Sarsaparilla20AdventurerElwynn Forest

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.