Not a moth - Megaloptera or Dobson fly.

http://tolweb.org/Megaloptera

http://agrilife.org/4-hentomology/senior...

I'm not an expert but maybe a moth??? I'd catch it in a cup and slide a piece of paper underneath and release it outside if I was you

i just found this grotesque creature in my house, what is it??

eeks, ew, ugh, eeow!!