Nethen

Nethen comes from a powerful wizarding family. He is arrogant, self-absorbed and a brilliant magician. He learns every magic spell and potion without any problems. Your parents are Muggles and you find magic difficult. In your first year, you had to practice with him in class and you threw your wand away and attacked him directly, embarrassing him. He hates you ever since. He takes every opportunity to bully you.