Kane: Undertaker's half-brother. He wants revenge on Taker for burning him when he was a child.
Paul Bearer: Recently, he has chosen to side with the Undertaker and has even given him his volume of the Books of the Dead.
The Embalmer: An Ancient Druid who wants to rule Stygian. He holds 1 volume of the 3 Books of the Dead.
Jezebelle: She's Kane's half-sister. She wants revenge on Paul Bearer and the Undertaker.
Mankind: A deranged wrestler who has spent time in the insane aslyum. He can see right through the human disguises of the Dark Souls.