Super Mario Galaxy 2 just launched yesterday for the Wii. The latest Mario adventure is off to great critical reception, rocketing to the #1 Wii game of 2010 so far. Nintendo hosted a special Super Mario Galaxy 2 launch event at the Nintendo World Store in New York City last Friday, May 21st. Charles Martinet, the voice actor of Mario, attended the event and signed some memorabilia and game sleeves for fans. Nintendo also gave several attendees some launch prizes. See pictures from the Nintendo World store launch event in New York City.