Other Characters List (spoilers warning!!!)

1. Lilianlua Rofocale

2. Euclid Lucifuge

3. Ophis

4. Mephisto Pheles

5. Azazel

6. Tannin

7. Barakiel

8. Penemune

9. Tiamat.

10. Grayfia Lucifuge

11. Four Devil Kings

12. Rias Gremory

13. Sona Sitri

14. Seekvaira Agares

15. Sairaorg Bael

16. Lavinia Reni

17. Vali Lucifer

18. Roygun Belphegor (and her Peerages)

19. Latia Astaroth

20. Wennyxa Dantalian

21. Lorra Pruflas

22. Grandio Orobas

23. Wolfror Dantalian

24. Wulfric Dantalian

25. Hwenvira Dantalian

26. Zaorama Nebiros

27. Akeno Himejima

28. Dovel

29. Nishina Shigure

##. etc. (tba.)