Would be cooler if he evolved into something like sonic the hedgehodge instead of getting bigger. In the end becoming the golden sonic. Just my opinion, but cool story:)
Using common sense, I was bullshiting as felt a robot approaching me from behind it. Though, my answer seemed to shake his self-confidence. Everyone saw it flying away when it got 3 meters near me. Then, the next second, it flew back. Three more scores to me.