This bullgryn, named Bop, seen a space marine once. From the Space wolfs. Somehow, he was got the cloak with fur. Commissar, trying keep poker face after Bop explained what he want, make a purity seal for him. And Techpriest with last drops of sense of humor make a shoulderpads. 

Behold! space wolfgryn Bop. 

Bop is happy now.