Crowley's Mansion Guards

Crowley's Mansion Guards were four demons employed by the Ruler of the Crossroads Crowley to guard his mansion.

Powers and Abilities
These demons appeared to be regular low-level demons with the powers of one.
 * Demonic Possession - As demons, they needed vessels to walk the Earth.
 * Immortality - As demons, they would never age or die unless killed.
 * Invulnerability - As demons they were invulnerable to normal methods of harm.
 * Super Strength - Two of the demons were strong enough to effortlessly restrain Sam and Dean Winchester.

Weaknesses

 * Holy Water - As regular low-level demons, they could be hurt by holy water.
 * Exorcism - As regular low-level demons, they could be exorcised.
 * Devil's Trap - Like all demons, they could be bound by a devil's trap.
 * Higher-Tier demons - As low-level demons, they were subservient to and weaker than higher level demons.
 * Demon-killing knife - As low-level demons, they could be killed with the knife.
 * Angels - Are easily able to kill most demons.
 * The Colt - Can kill demons
 * Angel Blades - Can kill at least most demons.
 * The First Blade - It can kill demons.
 * Death's Scythe - It can kill anything in existence.

Appearances

 * Season 5
 * Abandon All Hope...