Charger, known as Mowshin (モーシン Mōshin?) in Japanese, is the first boss of Bubble Bobble 4 Friends. His attacks involve standing at each end of the screen before running in a mad dash towards the heroes, often hitting the walls an stunning himself allowing for the heroes to attack him with bubbles. He is no real threat and is reasonably easy to defeat once you learn his pattern.
Bubble Bobble 4 Friends