|[List of appearances]|
Grindylows are creatures that inhabits the lake at Hogwarts.
A Grindylow is a pale green underwater creature that live in the weed beds at the bottom of lakes in Great Britain and Ireland. It has green teeth and pointy horns and long, strong, yet brittle, fingers they use to pull prey into the water. The Grindylow only appears in LEGO Harry Potter: Years 1-4. It is present in the second task and poses a large threat to the champions who are trying to save the one that was taken from them.
- The Grindylow is not present in 4762 Rescue from the Merpeople even though it is present during this scene in the books and film.