E-105 Zeta

E-105 Zeta, or E105ζ, is a character that appears in the Sonic the Hedgehog series. It was an animal-powered robot created by Dr. Eggman, and the fifth unit in the Doctor's E-100 Series. Zeta, along with his "brothers", were created during the Chaos incident to serve as the first Egg Carrier's elite crew.