I was just thinking that cockroaches needed to be faster. And robotic.
Here's a look at a new robotic cockroach from UC Berkley. It's called the VelociRoACH. According to Wired, it reaches speeds of 2.7 meters per second (compared to cockroaches, which get up to 1.5 meters per second), making it the second fastest legged robot, after this guy.