My chaos fleet names: (Slaanesh flavored)
Desolator Battleship, the Nom Compos Mentis
Repulsive Grand Cruiser, the Herald of the Fourth World
Two Devastation class cruisers, the Madrigal, and the Undead Son
Two Slaughter class cruisers, the Wreath and the Deliverance
Two Carnage class cruisers, the Pharaoh and the Algolagnia
And finally, some iconoclasts, known as the Riders of the Last Day