20 Celebrities You Didn’t Know Were Twins

6. Jon Heder

Jon Heder is known for his major role as the title character in Napoleon Dynamite. But what many fans may not know is that he has an identical twin brother. The two used to stand in for each other all the time, and they are still doing it today. Sometimes Jon would convince his brother Dan to take his place at autograph signings so that he would not have to deal with signing tons of autographs.