* Bullets can't kill a ninja. Even 1 million bullets can not kill a ninja. (See the training video "Ninja 3: The Domination" for demonstration!)
* The Fart of a Ninja is a million times deadlier than the venom of a rattlesnake. With the right wind, a single fart can wipe out a small village.
* Ninja invented skateboarding.
* Only a ninja can kill a ninja. Regular humans are useless against a ninja.
* Ninja never wear headbands with the word "ninja" printed on them.
* Ninja can breathe underwater anytime they want.
* Ninja can change complete wardrobes in less than 1 second.
* Ninja don't smoke, but they do use smoke bombs.
* Ninja always land on their feet. If they don't have feet they will land on their nubs.
* Ninja invented the internet. All of it.
* Ninja don't eat or drink very much, and they never have to go to the bathroom.
* Ninja always move to America when making a new start as a non-assassin.
* Ninja don't play sports. Unless killing is a sport. They always win.
* Ninja can crush golfballs with 2 fingers, any two fingers.
* Ninja have a bad temper when they lose at anything. They will usually cut off the winner's head before they have time to brag.
* Ninja lie all the time. Even when the truth serves better, ninja will lie anyway.
* Ninja swords are always straight with a square handle guard. Always. Curves are for girls.