Twinkle is Queen Hylda's giant snake, called a titanoboa. She has a golden saddle engineered by Technopaths to make her travel at supersonic speed. Sophie travels on Twinkle to get to the Goblin capital in Lodestar, to transport Brielle's casket to Gildingham. Grady, Edaline, Sandor and unknown goblins have also traveled on Twinkle.
Twinkle is described as a very large snake with pinkish, goldish scales. She is said to have a golden saddle as well. Sophie claims that Twinkle could swallow her in one bite.