Teenage Mutant Ninja Turtles (2012): Napoleon Bonafrog's personality and mannerisms were inspired by Napoleon Dynamite and is voiced by Jon Heder.
Total Drama: Harold is an Expy of Napoleon Dynamite, with both characters being geeks with hidden talents, and similar Catch Phrases. Also, he hooks up with Leshawna, who is a Shout-Out to Lafawnduh Lucas (from the same film).