He’s a huge comic book fan and he really wanted to play one of the big villains at that time and he specifically mentioned The Joker and at that time we were using Tim Curry as the Joker.
So many months later we made the difficult decision to replace Tim and we brought Mark in to audition for The Joker and he nailed it.
And he was really disappointed and he said ‘well, if anybody else shows up like Hugo Strange or somebody give me a call.’
Most of you guys probably know Mark first did the voice for us in the first Mr. Freeze episode; he played the guy who caused Mr. Freeze’s wife to end up in a coma.