This is how I think a proper depiction of Riddler should go.

A dark, mind game of a villain obviously. Capturing people and putting them through elaborate and deadly tests and puzzles to prove he's smarter than them.

2006564 Not a fan of Saw so I didn't watch the clip (too disturbing for me), but I agree.

Just with less graphic violence.

2006564 That actually pretty much our modern Riddler