I don't think I've ever actually heard Scully (having never seen X-Files). Several other people mentioned her.

I don't think I've ever seen him on SPN, but wasn't JDM on Gray's Anatomy for a bit (a show which I have also only seen 3 eps of)? Anyway, I remember thinking, "Now why you gotta take a fine deep voice like that and ruin it with that accent?"

I have no idea who Ellen is so I'll leave you to it ;o)