A/N: This is how I personally think their stereotype is. Enjoy!
Ciel Phantomhive: Tough on the outside, nice on the outside. Whines about his parents daily.
Sebastian Michaelis: A hot demon that can do anything and bang anyone.
Alois Trancy: Whiny little b***h who is evil.
Claude Faustus: Wanna be Sebastian. Also has no emotions.
Undertaker: Weird dude with nice eyes. No one cares about him; just a side hoe.
William T. Spears: Workaholic. Again, just a side hoe.