User blog comment:J. Severe/Hot off the Presses: Across the 2nd Dimension Video Game - E3 Trailer/@comment-5151799-20110820235709

To unlock Platyborg in the Wii version, you would need a code from the DS version. Fortunately, thanks to Agent Goldfish on the IRC, we now know what that could is. It's

BAB121

I tried it myself, it works. Why don't you try it and play as Perry's 2nd Dimension equivalent?