Creepers are, without a doubt, the blocky equivalent of the Big Bag Wolf, who in this case no longer cares if your house is made of straw, wood, brick, stone or even diamond. If you've missed out the phenomenon that is Minecraft, you mine resources in order to build things, which the Creepers will do their best to destroy. Giving a new definition to the term home grown terrorist these angry hedges can appear in your garden if youre not careful too. Undeterred by sunlight, for some reason theyre scared of cats, which would be useful if it was even remotely easy to tame one. Still, these mutated pigs make the list for an obvious reason - theyre possibly the most annoying creatures in any video game ever (including Ocarina's Navi) and they just happen to exist in the world where we meticulously build our perfect mansion just in time to see it destroyed.