"Hinkypunks are one of the obstacles that Professor Lupin sets for the Defense Against the Dark Arts exam."
From the Story[]
Discovered in Book 3, Chapter 16, Professor Trelawney's Prediction[]
"Hinkypunks are little one-legged creatures which seem to made of wisps of smoke. Although frail and rather harmless-looking they mislead travellers by luring them into bogs with the lamps that they carry."