Yin yarn
Yin-Yarn is the main antagonist of Kirby's Epic Yarn. He turns Dream Land into yarn and tears Patch Land into pieces. He is also the one responsible for sending Kirby to Patch Land. In the end, you defeat him and his unnamed stitching needles with a Tankbot Metamortex Meta Knight gave you.
Kirby's Epic Yarn Music Vs

Kirby's Epic Yarn Music Vs. Yin-Yarn

Vs. Yin-Yarn