Who is the dead man in the wine cellar

Hint 1 of 6:

Did you LOOK man and see initials in blood  BS   +6

Hint 2 of 6:

This is Barney Sacnussen.

Hint 3 of 6:

Did you ever read Jules Verne ?

Hint 4 of 6:

Did you read Journey To The Center of The Earth ?

Hint 5 of 6:

Arney Sacnussen (sic) marked his way down with A.S.

Hint 6 of 6:

It's a literary joke. Barney was only to help get you here.