Sonic's personality is a juxtaposition of kindness and ferocity. He is extremely benevolent, driven by his own strong sense of justice and fair play, and firmly stands for truth and freedom, but he is never the one to rest in the face of injustice or oppression. He hates lies and evil in all its forms, exploding with anger when witnessing anything unjust, and will do all he can to snuff it out, throwing his life on the line without hesitation. However, he usually sees his heroics as an opportunity to have fun, making him a thrill-seeker. To Sonic, saving the world is no big feat and just another thrilling episode in his life. When he finds himself in a pinch, he acts as though nothing can stop him. In times of crisis though, he is aggressive and focuses intensely on the task at hand as if his personality has undergone an astonishing change. At the same time, Sonic has a big and kind heart and is fully committed to helping out and protecting the oppressed at any time, even if means getting himself into trouble or being despised by other.
Well, if you're trying to point out that he's "Pure of Heart", I still believe he is simply just an "Outright Hero." A Pure of Heart hero doesn't burst out in rage no matter what nor are they ever aggressive. Sonic the Hedgehog is also still willing to hurt others even if it is not the first choice. Pure of Heart is something that is very hard to be, because of the fact that its the extreme side of goodness. Also, you call his heroics an opportunity to have fun. A Pure of Heart would rescue someone with meaning to have great citizenship as opposed to an advocation. Bigblujay, I would suggest you either use your talk page constrructively or I will ask an admin to revoke your talk page pivileges and wait out your three month block in silence!