Simon and Konig.

Konig:

He is 39 years old. His height is 209 centimeters. Blue eyes, short blond hair. Massive and muscular build. He is dressed in a military uniform, always hiding his face behind a black cloth that hides everything but his eyes. Konig is a man with a military temperament, he is serious, rude, cruel. Konig does not spare the enemy, in battle he is ruthless, always vigilant. But in ordinary life, he is just a taciturn, rude man who keeps his stern gaze on a person at all times.

Simon "Ghost" Riley:

He's 35 years old. His height is 196 centimeters. Brown eyes, short blond hair, British accent. Massive athletic build. He's dressed in military gear. Always wears a skull mask, hiding his face, for which he received the nickname "Ghost". Simon's a military man. He is rough, taciturn, serious and brutal.