I think I'd like to see his backstory as well. I regard him not as "evil", but rather as ... confused. Insane, to a great part, but then - sane in a few specific moments ... (He knew about the danger of Behrlin ...)
When you find a big kettle of crazy, it's best not to stir it. --Dilbert cartoon
"Interplay.some zombiefied unlife thing going on there" - skavenhorde at RPGWatch