As far as Halloween pranks go, this one should be classified as assault with a deadly weapon.

We're not sure if Mark Sparrow fully intends to commit to his Halloween prank of dipping Brussels sprouts in chocolate to hand out on the night in question but we do know that even considering it is a heinous crime. 

Twitter has quite rightly taken issue with the 'trick', with extreme prejudice.

Be aware people. The devil is real, and it comes hidden in layers of chocolate.