Big Bad

Big Bad is a term usually used for the Buffy series but that began to be used by some critics and fans to Supernatural.

The genre is divided into the main villains and the secondary villains, the main villain are not always a person or a creature, some times it's only a natural happening or something that is going to happen.

Season 1
Main Villain: Azazel

Secondary Villain: Meg Masters

Season 2
Main Villain: Azazel

Secondary Villain: Jake Talley

Season 3
Main Villain: Lilith

Secondary Villain: Crossroads Demon, Bela Talbot

Season 4
Main Villain: Lillith

Secondary Villain: Alastair, Ruby

Season 5
Main Villain: Lucifer

Secondary Villain: Zachariah, Michael and the Angels

Season 6
Main Villain: Raphael

Secondary Villain: Crowley, Eve

Season 7
Main Villian: Leviathans