Dr. Cossack is a russian sciencist and former Mega Man enemy.
|First Appearance||Mega Man 4|
|Hair Color||Dark brown|
|Attire||White lab coat,yellow collar shirt,brown pants,glasses and orange and dark shoes|
Dr. Mikhail Sergeyevich Cossack (Ｄｒ．ミハイル・セルゲイビッチ・コサック, Dr. Mihairu Serugeibicchi Kosakku) is a robotics engineer from Russia who like Dr. Light,he is capable of creating advanced, humanoid, artificially intelligent robots.