The Cult of Chaos worship the four gods of Chaos, Khorne, Tzeentch, Nurgle, and Slaanesh, They are humans or other races who have fallen from their status as Sane people and turned into the Chaos cult to revere their gods.
They have 5 Champions[Or Daemon Princes]
The First is of Chaos Undivided, Meaning hes the Prince of all 4 Chaos Gods.
The Second is the Prince of Khorne
The Third is the Prince of Tzeentch
The Fourth is the Prince of Slaanesh
And the Fifth is of Nurgle
Chaos Space Marines[of the Same 5 Types] are 9ft tall behemoth's, Corrupted Space Marines from the Old Imperium of the Galaxy, they are the Mass Majority of Chaos's Working Force
The Massive Amounts of Useless Soldiers called the Chaos Guardsmen, they are almost As Useless as Imperial Guardsmen
Chaos Cultists Muthafucka
Chaos Witch
Khornite Chaos Space Marine
Lord Kessoq, Chaos Space Captain
Chaos Maiden, Axelia
Khorne and Tzeentch Chaos Champions
Slaanesh/Nurgle Chaos Champions
Chaos Assault Marine, Raptor's
Chaos Sorcerer[Tzeentch]
Chaos, Nurglish Dreadnought