The River Troll is a breed of Troll. It has short horns, purple skin, and is hairy. They are often found lurking beneath bridges or in the middle of rivers, haunting crossers. The largest river troll was defeated by Almerick Sawbridge and was believed to weigh a ton.
- Harry Potter and the Philosopher's Stone (video game) (Mentioned on a Famous Wizard Card)
- Harry Potter and the Chamber of Secrets (video game) (Mentioned on a Famous Wizard Card)
- Harry Potter and the Prisoner of Azkaban (video game)
- Harry Potter Trading Card Game
- Fantastic Beasts and Where to Find Them
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