Buttonfly

Buttonflies are extremely common enemies appearing in 2 particular games, such as Kirby's Epic Yarn and Kirby's Extra Epic Yarn.

Physical Appearance
Buttonflies are green-colored bugs with transparent wings, a small black antannae and 2 blacklines on their backside.

Kirby's Epic Yarn / Kirby's Extra Epic Yarn
Buttonflies do not attack Kirby at all, and can easily be defeated by yarn-whipping them. They only fly around and do nothing else.