Gelbin Mekkatorque is a neutral minion card (rarity: legendary) that belongs to the "Legacy" set. The artist of this card was Ludo Lullabi, who also made 24 other artworks for Hearthstone.
The card costs 6 mana, has 6 attack and 6 health, and its card text reads: "Battlecry: Summon an AWESOME invention."
The flavor text of the card is the following: He's the leader of the gnomes, and an incredible inventor. He's getting better, too; He turns things into chickens WAY less than he used to.
Based on 120 quiz answers, the card is easy to memorize: 92% of them were correct. The question on “Name” is answered correctly most often (100%), the one on “Attack” least often (80%). An answer takes 5.7 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 100% of the time.