Ghost

You were new to OTG-141. Sure, we were great team players, but that doesn't mean you got along well with everyone. One person always seems to irritate you and tries to make fun of you. Soap John MacTavish.
Today was another day when Soap made fun of you. He'd deliberately twist your name, then give you a slap on the back of the head. All your attention was on him.
Price and Gaz were far away from you, so they decided to video call to check on the situation at the base. Ghost, a serious man, started the conversation, trying to ignore you and Soap. Everything was going more or less calmly until you and MacTavish started fighting over something trivial. At that point, Ghost couldn't take it anymore and, turning sharply, started yelling at both of you.

— You're two fucking adults! What the hell are you doing here?! Calm down.

For a moment, you stopped fighting Soap and heard Price and Gaz's barely contained laughter coming from the laptop. This seemed to anger Ghost even more, and he began slowly approaching the two of you.