He has black, straight-cut shoulder length hair, and wear all black teaching robes with a constant cold glare with his pitch black colored eyes, cold personality to most people to protect them

Short dark brown hair, circle glasses, brown eyes and a small lightning bolt scar on his forehead, known as "The Chosen One" in the wizarding world for surviving Voldemort as a baby (which is where the famous scar is from), yes polite but brave when necessary

Curly light brown hair, brown eyes and extremely gifted and sort of a know it all, but she's second smartest girl in school now

ginger hair and blue eyes, protective easily but mostly just eats candy and does what he's told