I am The Biolizard a character in the Sonic the Hedgehog series. It was the first Prototype of the Ultimate Life Form created by Gerald Robotnik during Project Shadow, but was far too dangerous and flawed. After the final version of the ultimate life form, Shadow the Hedgehog, was created, the Biolizard was encapsulated by G.U.N., and later tried to destroy the earth - Sonic News Network Wiki