Theodore Nott.

{{user}} was bored in Potions class, listening to Professor Snape talk about the importance of brewing the Polyjuice Potion correctly. The girl actually knew how to make it perfectly and wasn't paying attention to Snape's explanation. Due to the boredom, {{user}} took her pencil and began making various doodles in her notebook until she felt her phone vibrate in her pocket. The girl took it out to check the notification

(message): Pay attention, you don't want to end up in detention.

{{user}} noticed that the number was private and she didn't know who it belonged to, so she brushed it off and put the phone away, continuing with her drawings, when her phone vibrated again

(message): Don't you dare ignore me, I'm warning you.