How To Prank Your Friends Doing The #IceBucketChallenge

20/08/2014 15:42 BST | Updated 20/08/2014 15:59 BST

It didn't take someone long to devise a prank version of the ALS ice bucket challenge.

And that someone had to be a professional prankster, of course.

Yes, step forward YouTube prankmeister Stuart Edge. Watch his video to see how he surprised strangers doing the challenge - and perhaps you could go for this tactic yourself if you're 'helping' a friend to take part? Not that they'd thank you, we're sure...

SEE ALSO: Eight Hilarious #IceBucketChallenge Fails