E-100 Alpha

E-100 Alpha (アルファ, Arufa ?) aka E-100 Zero is the first E-100 series robot who is a large green robot that appeared in Sonic Adventure and is considered the prototype.[44 ] He was created by Dr. Eggman and ordered to capture the Chaos Emerald from Amy Rose's Flicky friend, Birdie. He first appeared in Sonic Adventure and later returned in Sonic Advance 2. In Sonic Adventure, he is the main antagonist in Amy's story, where he repeatedly tries to capture Birdie. At the end of Amy's story, she destroys him. In Sonic Advance 2, he appears in special stages, trying to prevent Sonic from getting the seven Chaos Emeralds.