No one! Just follow these instructions from a resourceful Transformers fan and make an Optimus Prime suit out of cereal boxes and cardboard instead.

Here's how you can make your own DIY Optimus Prime costume using a bunch of old boxes, popsicle sticks and some spray paint. Visit CineFix for more episodes and movie-related content.

A New Jersey 4-year-old is the envy of the Internet after showing off the Optimus Prime costume his father built that transforms from a robot to a truck.