William is just plain evil, as in domination hungry and self absorbed since he is ruthless and thieving since he blackmailed Sid Banderslaw into giving his share into Wayne Enterprises so he can takeover the company to make it part of Dent Corp. William is never afraid to get blood on his hands and of staring death in the face. William wants to make Harvey become just like him and always seemed to favor Bruce Wayne more than him. However before that, he started out as as caring and loyal man since he blackmailed Lew Moxon into staying away from Martha Wayne which angered Thomas Wayne since William was trying to locate a crystal for Project Hades. Unfortunately, things changed after his first born son Murray and wife Lucy killed herself which made William have a bad relationship with Harvey