The term 'Underworld Figure' can refer to a variety of characters from different mythologies and religions. Osiris (6 letters) is an Egyptian god of the afterlife, associated with death, resurrection, and fertility. SATAN (5 letters) is a figure in Abrahamic religions, often seen as a personification of evil. CAPO (4 letters) is a term used in the Mafia to refer to a leader or boss. CHARON (6 letters) is a figure in Greek mythology who ferries souls of the dead across the river Styx into the underworld. MAFIOSO (7 letters) is a term used to refer to a member of the Mafia. DEVIL (5 letters) is a figure in many religions, often seen as a personification of evil.