Who is the most popular black butler character?

Answer 1

Sebastian Michealis is. other characters I will list :)

1.)Sebastian Michealis

2.)Ciel Phantomhive

3.)Ash

4.)William T. Spears

5.)Grell Sutcliff

6.)Lau

7.)Undertaker

8.)Madam Red

9.)Elizabeth Middleford

10.)Ran Mao

11.)Hannah Annafellows

12.)Drocell

13.)Alois Trancy.