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Lesser-Known Hollywood Siblings

25 of 44

Dan Heder

Famous sibling: Jon Heder

This guy is the spitting image of Napoleon Dynamite himself, and for good reason — it's his twin brother! Jon and Dan also have an older sister and brother, as well as two younger brothers. —XFINITY Entertainment Staff (Photo by Vince Bucci/Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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