Woodsprites

A Woodsprite is a type of creature that exists in the Smurfs cartoon series.

Mainstream Smurfs Media
While not appearing in the original comic series, one Woodsprite named Ripple appeared in an episode of Season 7 and was known for pulling chaotic pranks on the Smurfs, but wound up actually just wanting friends, so he became a friend of the Smurfs after helping them rescue the Smurflings from Gargamel.