- Name: Copernicon
- Rank: Fleet Master
- Born: 282.M41
- Cult: Ice Wraiths
- Status: Serving the Chapter
- About: Copernicon is one of the few marines in the chapter to take great interest in Astronomy and Naval warfare, and the only one who would have rather commanded a ship than be on the ground fighting. As such, he was chosen by Chapter Master in 332.M41 to become Fleet Master of the Ghosts of Retribution, and began training for the role immediately.
- Confers Ld 90 to whatever ship he is commanding.
- Capable of re-rolling 1 Leadership Check per turn (may be improved by allowing additional re-rolls)
- Heroic Weapon (Thunder Hammer)
- Iron Halo
- Artificer Armour
- Bolt Pistol
- Frak & Krak Grenades
- Melta Bombs
"Why have a bolter when you can have a Lance battery?"
- Copernicon's answer when his brothers asked him why he wanted to be Fleet Master.