The Simpsons: 30 Greatest Ever Opening Credits Gags

27. Sideshow Bob

Kelsey Grammer probably should have got a regular cast credit, the number of times he reprised his role as academically gifted psychopath Sideshow Bob. Here he is again invading a 2005 couch gag disguised as Homer and pursuing Bart with his usual murderous intent. Love that hair. First aired: March 20 2005 Episode: Mobile Homer