Nyan Cat is one of the most famous cats on the Internet. You know, that famous cat in 8-bit GIF format that flies around leaving a rainbow trail? Well, of course it has its own video games too, and ...

Life On White/Photodisc/Getty Images (chameleon); ross1248/E+/Getty Images (kangaroo); Burazin/The Image Bank/Getty Images (elephant) Every time you open up a Google Doc with the setting “anyone with ...