Sonic: "Oh... Hey there! What brings you here, human.......?"

Shadow: "A human.... Interesting really, name's Shadow, and this blue blur is Sonic"

Sonic: [Serious] "I can see you're asking what happened to us....... It's a long story: we've been cursed by Eggman with some gamma ray containing dark gaia extract essence in which turned us into this...."

Shadow: [Serious] "Do we have to say more...!?"

Sonic: "Anyways, who are you...?"