You can be cannon characters if you would like. But its first come first serve
Hogwarts
Rowena Ravenclaw-taken
Godric Gryffendor-taken
Salazar Slytherin-taken
Helga Hufflepuff-taken
Helena Ravenclaw(student)- open
Morgan le Fay(student)-open
The court of magical justice
Merlin-
King Arthur-