13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Eye Tentacle60
Giant Claw Tentacle60
Father Winter's Helper (BIG) gm1
Colossus of Zora63
Colossus of Regal63
Colossus of Ashi63
Greatfather Winter's Helper30
Great-father Winter's Helper1
Christmas Darkmaster Gandling1
Christmas Cannon Master Willey60
Christmas Prince Tortheldrin1
Christmas Emperor Dagran Thaurissan59
Christmas Warchief Rend Blackhand62
Christmas War Master Voone1
Mouth Tentacle Mount Visual1
Human Male Winter Reveler1
Human Female Winter Reveler1
Dwarf Male Winter Reveler1
Dwarf Female Winter Reveler1
Night Elf Female Winter Reveler1
Troll Female Winter Reveler1
Orc Female Winter Reveler1
Goblin Female Winter Reveler1
Undead Female Winter Reveler1
Tauren Female Winter Reveler1
Undead Male Winter Reveler1
Orc Male Winter Reveler1
Troll Male Winter Reveler1
Tauren Male Winter Reveler1
Night Elf Male Winter Reveler1
Goblin Male Winter Reveler1
Christmas Goraluk Anvilcrack61Blackhand Legion Armorsmith
Exit Trigger60
GONG BOY DND DNR1HOLDER OF THE GONGSilithus
Flesh Tentacle60
Tranquil Air Totem50
C'Thun Transformation Visual1
Qiraji Captain Ka'ark40
Father Winter's Helper (BIG) rm1
Father Winter's Helper (BIG) rf1

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.