Creative science nerd Mark Rober just went viral over Labor Day for his quick watermelon hack which stands at over 2.5 million views!

But he is probably most famous online for his Halloween hole-through-shirt costume made with two iPads. That video has over 3.6 million views!

Now that the spooky holiday is just around the corner, Mark has returned with a Gut Ripping iPhone Halloween costume, plus 17 more bonus ideas.