Thaddeus Paleo

Professor Thaddeus Paleo is a level 35 exotic goods vendor located in the Darkmoon Faire camp, which is only available during the monthly Darkmoon Faire event.

He will collect full decks of Darkmoon Cards from players, and also sells scrolls and healing and mana potion potions of various levels.

He is particularly popular because at rare times of the day, he will sell "rare" quality gems (,, , etc.) for only 12 gold.

See List of Elwynn Forest NPCs and List of Mulgore NPCs.

Quote
"Welcome to the Darkmoon Faire adventurer! We have collected wonders from all over the world for your perusual. Oh and please let me know if you manage to collect a set of the lesser Darkmoon cards, as the master... I mean I would be keenly interested in them."