what am i and why am i here

what am i should i be evil or good what IS my purpose eggman created me as an ultimate life but said i was a failure what did that meen what is my purpose my heart tells me to go to the light but my body says stay to night my mind and heart allways fight if only i could have that sight .what is day and what is night. with a sword in my hand and my claws at my side i have no time to bide ill learn my destiny ill leanr my tide if i cant find it ill look some more theres no purose for an empty door and eggman ILL OBEY YOU NO MORE