13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Winged Horror56–57
[PH] Alliance Tower Lieutenant60
PvP CTF Credit Marker60
ggoodman's flag tester63
Frostwolf Riding Wolf1
Stormpike Riding Ram1
[PH] Horde Tower Lieutenant60
Frostwolf Battle Standard1
Stormpike Battle Standard1
Tiny Green Dragon1
Tiny Red Dragon1
Creeping Doom60
Wild Polymorph Target1
GGOODMAN1
Unkillable Test Dummy 60 Warrior60
Unkillable Test Dummy 63 Warrior63
Herald3
Bog1
Throk1
Torg1
Kall1
Dagg1
Mott1
Progk1
Stoneclaw Totem TEST60
High Priest Venoxis Transform Visual1
Jubling1
Arathi Basin Battlemaster1
[PH] Jon LeCraft63Designer Extraordinaire
The Good Rabbit5
Test Guy1
TEST DUDE1
High Priestess Jeklik Transform Visual1
Guse's War Rider60
Jeztor's War Rider60
Mulverick's War Rider60
Slidore's Gryphon60
Ichman's Gryphon60
Vipore's Gryphon60
High Priest Thekal Transform Visual1

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.