What's the Difference Between Seth Rogen and Jonah Hill? 3.14K Christopher Han 11/08/10 03:00PM Filed to: american dad american dad Halloween Seth Rogen Jonah Hill TV Video On American Dad last night Barry went as Jonah Hill — or, with a simple wardrobe change, Seth Rogen. Who knew?! Plus, the most flagrant pop up house decoration airing on network primetime.[There was a video here]