Anyone who is Famous For Being Famous (Kardashians, etc.).
Anyone whose fame comes from a D-list reality show (the RHOC people, the Roloffs, the Duggars, etc.).
Anyone who is a political evangelist to the point of being grating (on both sides). That includes Sean Penn, Bill O'Reilly, and everyone in between.
People who have no talent but think they have all the talent (Jay-Z, Kanye West).
People who perform country music (all of them).