@JonahHill_Jew Was Actually a Guy Named John From Arlington

And his exploits using the fake Twitter account — and possible damage to the real Jonah Hill’s career — have now been immortalized in an anecdote on Letterman:

You can read how the whole thing went down straight from John from Arlington himself, or via Movieline’s more objective take on it. (Both links have a bit of NFSW language, so people with sensitive eyes and sensibilities, beware.)