Quite a hard one to start with and no instructions either, but it shouldn't be too difficult to work out how to do it, it's just quite a lot of work. Like most of these ideas here it can be used by men, women or children.

Full-size picture on Imgur

Painstaking to apply, but you can guarantee you'll be the only ones at the party with this look! Based on an extreme version of Roy Lichtenstein's pointillism we've got instructions from no less a publication than the Telegraph.

Telegraph how-to article

This is one of our favourites, because it's easy and it's a play on words. Of course you might have to dye your hair to suit the joke, but that's the dedication you need. Also the original wasn't done for a Halloween party so we're cheating a bit too.

Picture on Buzzfeed

Another one that's going to need quite a lot of construction and you can really only use it once. Having said that it's going to really throw people and the creator has kindly provided instructions for us.

How-to on Instructables

One for a large group of people or a whole family, and you'll have to practise moving in a coordinated fashion too! But it looks like a lot of fun.

Work this one out!

A quick and cheap one now, for when you're in a hurry, all you'll need to find is a load of balloons that are purple and green. Guaranteed to attract the oh-so-funny party-goers who'll pop all your balloons, so be careful what you wear underneath.

Instagram page

To end on, this is another 'pun' fancy-dress outfit. Just like the Gingerbread Man it appeals to our sense of humour. And despite the title, it's completely safe to click through to see the details.

Picture on Bits & Pieces