Yesterday we told you about Kanye's New Year's Day surprise collaboration with Paul McCartney, "Only One." Today on Twitter, some Kanye fans are wondering just who this Paul McCartney fella is. Some like the song Kanye did with "Paul McCarthy." Paul McCarthy, of course, is a contemporary artist of some note. Those in the know made a fair point. Others saw the "Who is Paul McCartney?" Tweets and were shaken by them. What say you, Kanye? Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF kanyetothe.com Update: A couple of the tweeters above claim now they were only joking.