The Amazing Zanzo

The Amazing Zanzo is a gnome mage who wanders around Dalaran and acts like a player (using Hearthstone, training professions, checking the bank, etc.).

He teaches mages the Polymorph: Pig spell.

Quotes
Greetings, mage. Shall I provide you with further insight into the world of magic?
 * Mage gossip

Well met,. My advice to you is this: As you travel the world, be wary of magic for it will burn the untrained.
 * Non-mage gossip