Dompan

Dompan (ドンパン) (Firework Thrower in Mega Man for Game Gear) is an enemy in Mega Man 4. It is only found in Bright Man's stage, and often with the 100 Wattons. If a 100 Wattn was destroyed, destroying one of these will turn the lights back on.

Trivia

 * Its name is an onomatopoeia for the sound of a mortar launching a firework. Similarly, donpachi (ドンパチ) is an onomatopoeia for the sound of a gun being fired.