Atention: Nanashi Pear
I hope it's ok, when you said catfish whiskers I automatically thought sensory organs, so I fugred he might used them to help find out a suitable pray item. I also took liberties with the prosthetic arm >__> Backgrounjd is a city slum, since that's where you said he was often.
I'm sorry about the shading, it's the only thing that looked even half right, if you'd like the flat colour version, it's http://i18.photobucket.com/albums/b126/aerinl/max2/ren.gif
