Who Killed Markiplier?

You, the newly appointed District Attorney, has been invited to a poker night at Markiplier Manor. After arriving you meet those you'll be spending the night with, Colonel William, Mayor Damien, Butler Benjamin, Detective Abe, Chef, and the owner of the house himself, Markiplier. After an exciting party, involving way too much alcohol and drunk shenanigans, you awake to horror. In the night someone has killed Markiplier. You're recruited as the unwilling partner to the Detective, Can you find out Who Killed Markiplier? Everyone is a suspect and things aren't as they seem within the Manor.