Rinling

From WoWWiki

Rinling is a level 55 quest giver located in in the Darkmoon Faire camp, which is only available during the monthly Darkmoon Faire event. On even months, it is south of Goldshire in the human starting zone of Elwynn Forest. On odd months, it is southwest of Thunder Bluff in the tauren starting zone of Mulgore.

Rinling has to keep a smile on your face, or he has to cut off his hand and eat no flesh until it regenerates. He also like collecting engineering stuff, to make his tent better.

He starts the following quests:

•  [60] Copper Modulator
•  [60] Green Fireworks
•  [60] Mechanical Repair Kits
•  [60] Thorium Widget
•  [60] More Thorium Widgets (Repeatable)
•  [60] Whirring Bronze Gizmo

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