I'm human. Now, not sure what it was (exactly), but when I was stationed in the Antarctic, we found something in the ice. I didn't think it was a good idea to dig it out, but we did anyways. Did I mention I'm human? Honest. Trust me.
I'm an Australien. We interact (with a, "G;day, mate. Owzit goin'?") with all manner of other aliens: Ameraliens, Pomeraliens (who are not at all like Pomeranians), Nipponaliens, Indoaliens, and lots of others.