Kraven: No scars, really, but he does have a dent in the top of his head, hidden by his hair

Clarent: Burn scars on his chest, back, and hands because of lightning

Alan: Eye scar from jet crash, various bullet scars, cut scars

Long, faint scars running up and down the length of his arms and legs from muscle augmentation surgery

Not sure if cut off arm counts as a scar :|a

Thrash: Hoooo boy. Scars errywhere.

Burn scars from being poked with white hot metal rods, chemical burns from acid poured on him, cut and puncture scars

Keloid scars on his back from whippins

Just. So many scars.

Arm replacement scar, but probably only at the seam. :'D

unless they did a great job of blending prosthetic to natural.

Oh, his arm is obviously fake :'D If he rolled up his sleeve and took off his glove, it's a steel coloured prosthesis

Think Edward Elric from FMA, except more flexible and shotgunny

ahh ha ha