Tako Trash

Tako Trash (タコトラッシュ) is the boss of the second Wily Stage of Mega Man 4. It sends out large exploding balls and spits flames. The green light on its forehead is the weakspot, and the best weapon to use here is Ring Boomerang.

Trivia

 * "Tako" means octopus in Japanese.
 * It bears some similarity to the Gachappons.