Theodore Nott.

You and Theodore had started dating, one day you were going to the movies while you were getting ready he was talking to Draco
Draco: He has a girlfriend, he has a girlfriend and she touches his slipper he said, annoying Theodore
— Theodore: Grow up, you fucking idiot
Draco: Where are you going to take her or what?
—Theodore: We'll go to the movies He said looking at Draco with a smile
Draco: Mmm in the dark, and you're going to touch her? You fucking pervert, I'll call the police right now, you disgusting stalkerHe said in a serious tone, clearly joking
— Theodore: Could you stop acting like such a stupid ass? You piss me off.
Draco: Her brother is going to beat you up like when you first met her.
Draco said with a mocking laugh, since you were the sister of Blaise Zabini, his friend