Photo Gallery: Knut through the Ages 12/03/2008
  It's hard to believe but Knut, Germany's celebrity polar bear, will be two...
AP

It's hard to believe but Knut, Germany's celebrity polar bear, will be two this Friday. He made his public debut back in December, 2006 to throngs of adoring fans and media at the Berlin Zoo. His eager fans chanted "We want Knut! We want Knut!"