Toestomper and the bad butterflies
[written and
Toestomper doesn't mind having baby caterpillars invade his home because they make such nice pets, but when they change into butterflies and begin zooming around Littletown, no one is safe.

by Daisy Meadows (2015)
When Grizelda sends her sand dragon to turn the Prickleback hedgehog family to stone, it's up to Jess, Lily, and Emily Prickleback to find a way to change them back.
[written and
Toestomper doesn't mind having baby caterpillars invade his home because they make such nice pets, but when they change into butterflies and begin zooming around Littletown, no one is safe.