Crowley

Crowley Is The 2nd-In-Command Demon to Lilith who had posession of the colt and betrayed Lucifer by Giving the Colt to The Winchesters. Crowley also happens to be a Crossroads demon it can also be assumed he is the leader of the crossroad demons but is unconfirmed Crowley betrayed Lucifer cause he believes Lucifer will destroy his demons once they have surved there purpose and once humans are destroyed Crowley believes he will destroy demons so he wants Lucifer Dead as a result

Family
Lucifer (Father)

Demons (Brothers and Sisters)

Lilith (Lover according to Becky)

Appearances
Abandon All Hope