The trailer for a movie where Harry Potter is the bad guy is ruddy terrifying

The 'let's-remake-family-films-into-chilling-horror-flicks' meme genre has well and truly flourished over the years, but the Harry Potter re-imagining might be the best one yet.

In 'Harry Potter: The Boy Who Kills', our favourite new antihero takes teenage tantrums to the extreme, wreaking havoc in the lives of those who get in his way.

"He's a murderous raving lunatic," Ron says fearfully.

"Harry Potter is the reason the Potters are dead... and now he's back to finish what he started," warns Professor McGonagall.

If you can bear to watch Harry's transformation, complete with ominous soundtrack, check out the video below:

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