Ninjas are everywhere.  You just don't see them.  Luckily, this ninja was caught on camera, doing flips over everything, including a speeding car. 

 

I know at first, you think it's going to be a rap video.  But then this ninja flips over dude in a wheelchair, and rappers don't do that.  As far as the car goes, he really could have died.  That thing is speeding at him