Eddie Murphy as the Riddler?

[Mikey]

About 2 months ago there was a rumour David Tennant was in talks about being the Riddler.
Not sure what ever became of it.

[thunderbolt]

^^^ He would be great for the part. As far as Robin goes, it really needs to be a kid, not a young looking adult. The Cody Banks/Malcolm in the Middle guy would have been perfect a few years ago.