A Pixie (also spelt Pixy, Pisky and Pigsy) is a short, child-like, benign mythical creature found in Celtic myths. 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.