A Pixie (also spelt Pixy, Pisky and Pigsy) is a short, child-like, benign mythical creature found in Celtic myths. Pixies are a kind of Fairy. Pixies are fond of dancing, and sometimes gather in huge numbers to dance or wrestle. They are usually depicted with pointed ears, and often wearing a green outfit and pointed hat.
- A subspecies called Cornish Pixies appear in the 1998 novel Harry Potter and the Chamber of Secrets. This may reflect the Cornish origin of pixies.
- Cornish Pixies appear in the 2002 film adaption of Harry Potter and the Chamber of Secrets.
- Cornish Pixies appear in the 2010 game LEGO Harry Potter Years 1-4 as enemies.