My ranking is

1. Klaus

2. Five

3. Ben (dead)

4. Diego

5. Every member of the sparrow academy

6. Every side character.

7. Every background character

8. Allison

9. Luther

When you realize that Viktor isn't between the options and you think about the first season when quite everyone say he's not part of the family: 🥲

I was doing it in order but I ran out of space