[....what's with all the people asking him what he's 'supposed to be' lately!? It's not like Echidna are common or easily identified but goddamn if it doesn't get old.]

I'm supposed to be a scale model of the eifel tower but someone messed up and now I look like this.

Let me guess. You're a robot built by Dr. Light from some far-flung time in the future in a world where there's robots, humans and that's pretty much it.