Who is that stupid little Chipmunk thing on the blog part?

I just seen him, wearing a Karate rob and I was wondering, what is that little dude and what is his purpose?Who is that stupid little Chipmunk thing on the blog part?
When YA started, they did not have their current ';smilie'; logo yet. They used the photograph of a toy first, which was a singing and dancing hamster. That toy became known as KungFu or Ninja Hamster, this is how it looked in the good old days: http://www.bushidocanada.com/images/acce鈥?/a>





One of the first users created another mascot: ';Frank the Frankfurter'; and since there were so few users and everybody seemed to know each other, he and his fans used to add ';Vote for Frank!'; to each of their answers: http://blog.360.yahoo.com/blog-s.5q_akye鈥?/a>





But eventually the Yamster won, although he was switched for a cartoon version of the original toy...