It's called evolution worlds.
Sebastian the demon butler.
Rhett Butler was a character in the movie 'Gone With the Wind' and he married the character Scarlett O'Hara.
The book "The Blessings of the Animals" by Scott A. Butler features a character named Jacko.
Rhett Butler
Yes to Rhett Butler... Not the character but the man who owns R.E Butler and company
No such character exists on Family Guy
Ciel Phantomhive slays
The book is "The Witchy Worries of Abbie Adams" by Scott A. Butler, which features a character named Gracie who is part of the story's adventure.
The knight
Captian James Butler Bonham
Alois is a co-antagonist in Black Butler Season 2, and an important character to the plot and storyline of that season.
The Butterfly Revolution is a book that was written by William Butler. The main character in the book is Winston Weyn.