Urlesque.com made a keen observation the other day that David Cross and famed children's entertainer David Landau . There's a chance they might not be too, but there's no mountain of evidence to support either claim. The fact is, no one really knows. The two Davids are never seen together on stage, and to my knowledge, they've never publicly denied not being the other person. Look at this infographic if you need hard-hitting evidence.

Via

If they're really not the same guy, then perhaps this is a lead in that cold case from a few years ago.