13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Sam's Test Dummy 1 (1)1
Sam's Test Dummy 2 (1)1
Sam's Test Dummy 1 (2)1
Sam's Test Dummy 2 (2)1
InCombat Trigger1
Boorana Thunderhoof35Panda Cub Caretaker
Allenya Moonshadow35Panda Cub Caretaker
Flesh Giant B [PH]62
Living Poison61
Bog Beast B [PH]61
Deathhound60
Pack Trainer [PH]61
Pack Handler [PH]61
Shadowhound60
Lefty60
Rotfang60
Snokh Blackspine60
Malgen Longspear60
Korv60
Rezznik60
Va'jashni60
Volida60
Spectral Assassin60
[PH] Alex's Test DPS Mob63
Unkillable Fixed Damage Test Dummy60
Spectral Gryphon60
Mor Grayhoof Transformation Visual1
picnic blanket60
Peddlefeet1
Flower Shower1
Omar the Test Kobold60
Silithis Teleporter1
Spectral Stalker60
Empyrean60
[PH] Naxxramas Test Boss63Minion of Alex
Spirit of Jarien60
Spirit of Sothos60
Annalise Lerent1
Love Fool1
Bone Minion60

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.