If she can't defeat Dr. Eggman through conventional means, she'll just cute him to death. Sanrio and Sega unveiled this creation, the result of their latest forays into genetic engineering.
Link (Google Translate) -via Kotaku
P.S. This toy may not be available in the United States yet, but you can find lots of Hello Kitty and Sonic the Hedgehog items that are, thanks to the NeatoShop!