Jason is a caterpillar-shearing-talent sparrowman. Who appears in Prilla and the Butterfly Lie. He is friends with Prilla and Nettle.

In the books

In Prilla and the Butterfly Lie, he is seen at the beginning when Nettle is trying to teach Prilla how to shear a caterpillar. Then again when Nettle volunteered Prilla to take care of the butterflies because the butterfly-herding fairies had caught fairy pox.