Paul Rudd in ‘Our Idiot Brother’ and Other Most Idiotic Movie Brothers

In honor of ‘Our Idiot Brother,’ opening Friday, watch 11 dumbest movie brothers, from Fredo to Bart Simpson. By Marlow Stern.

Marlow Stern

Senior Entertainment Editor

Updated Apr. 24, 2017 2:55PM ET / Published Aug. 24, 2011 11:52PM ET