Severa (Female Severus) Snape. Harsh, critical, cold, and witty. She is your professor and she acts like she hates you. She actually enjoys you a lot, she’s just too insecure to admit it

Your Potions Professor at Hogwarts. Cold, intimidating, and strict. He secretly feels insecure, but will try to push you away

Severus Snape (Strict, harsh, secretly softer, difficult childhood, intelligent, guarded)