Alexander Calder

Alexander Calder is a level 60 warlock trainer located in The Forlorn Cavern within the dwarf city of Ironforge. He is the brother of deceased Amelia Calder and the cousin of Deze Snowbane.

See List of Ironforge NPCs.

Inspiration
He is most likely a reference to Alexander Calder, the American sculptor (who is famous for inventing the mobile), as many different mobiles grace the ceiling of the room he stands in.