The concept sound pretty fun. I would simply combine cybernetic/robotic parts with flesh in a way that would suggest that the cybernetic part is the real frame of the character, as the flesh is dead and decaying.
I used Super conductor, Futuristic, Cybernetic, and Zombie parts for mine. I think I might have an Alien armor? piece. I'm not sure on that last one.
My lvl 40 champs in random order.
=Pieces of Stuff=Knock Dead=Cruel Yule=Cremator=Toys from the Attic=
=Gnosis Arcanum=Twenty Seven=Kama D=Critic=Creep Freeze=
=Mangled Man=G.I. John Doe=2D.=Lung the punch drunk monk=
=By the sword=Scild Truma=Shadow Puppet=Lu-7=Erysichthon=
=Nimravid=Buzzard Kill=Lorenzini=Schema=
Comments
=Pieces of Stuff=Knock Dead=Cruel Yule=Cremator=Toys from the Attic=
=Gnosis Arcanum=Twenty Seven=Kama D=Critic=Creep Freeze=
=Mangled Man=G.I. John Doe=2D.=Lung the punch drunk monk=
=By the sword=Scild Truma=Shadow Puppet=Lu-7=Erysichthon=
=Nimravid=Buzzard Kill=Lorenzini=Schema=