Pinwheel (Wario Land: Super Mario Land 3)

Pinwheels are aquatic creatures that appear in the Wario Land series. They dwell in bodies of water and try to impede Wario's progress throughout the game. They resemble tiny seahorses of red colour and possess spiked backs. One of their abilities contains curling up into a ball.

Their only appearance has been during the events of Wario Land: Super Mario Land 3, and they were later replaced by the Swordfish. Pinwheels also bear a resemblance to Yurarin and Yurarin Boo, which might imply that they are related somehow.

Wario Land: Super Mario Land 3
Wario encounters Pinwheels during his adventure in Wario land: Super Mario Land 3. They appear as spiked seahorses native to water levels. Their first appearance is in Course No. 7 of the Mt. Teapot region. They can be seen patroling some water areas of the game, and will curl up to a spiked ball to attack Wario when they see him. Although they oppose Wario, they bear no sign of being affiliated with Captain Syrup and the Brown Sugar Pirates, so it can be assumed that they attack Wario merely because he crossed their turf, instead of being motivated personally.