The pixies were electric blue and about eight inches high, with pointed faces and voices so shrill it was like listening to a lot of budgies arguing. —Description of Cornish Pixies. A Pixie is a small, bright blue mischief-maker, and loves tricks and practical jokes.It is able to fly, and enjoys lifting people up by their ears and depositing them on the tops of trees and buildings, showing incredible strength for creatures of their size. Pixie is a small, bright blue mischief-maker, and loves tricks and practical jokes.