spiny
A Koopa enemy from the Mario Series that first appeared in Super Mario Bros. 1. They are covered with spikes, making it dangerous for the player to jump on. Lakitu are known to throw Spiny eggs.
Spinys are depicted as a turtle-like enemy that is mostly yellow and have a red shell covered in spikes.
A blue version of its shell is a notable and infamous item in the Mario Kart series.