Hari Harry

Needle Harry (ハリハリー) are porcupine guard robots in Mega Man 3. They are native to Needle Man's stage. They shoot needles and roll up into balls like hedgehogs. They are invincible as long as they are rolled up. Gemini Laser And Top Spin kills these porcupines in one hit!

Trivia

 * Hari means needle in Japanese.