Ferrus Manus
The Primarch of the Iron Hands Legion/Chapter. HE HAS METAL HANDS.
Ferrus, using his shiny metal hands, could make epic weapons that absolutely kick ass but he only used like one or two of them.
Back in the days of the good ol' Horus Heresy Ferrus made a big blingy sword for his good ol' buddy Fulgrim, but Fulgrim found a new boyfriend. Then decided to screw over Ferrus, Fulgrim totally outmatched Ferrus with his HAWTNEZZ and Ferrus jacked the sword he made for his ex-boyfriend back. Some time later after some epic planning which would EPICLY FAIL as Ferrus goes with other Primarchs to attempt to kick Fulgrim's and Horus's ass but then they get totally fucked up by a bunch of reinforcements and Ferrus gets assraped by Fulgrim who is also Slaanesh's boyfriend.