Only a ninja can stop a ninja.

Only a Ninja can kill a Ninja!

— Sho Kosugi

You can be anything. You could be the President of the United States or the inventor of the next Internet or a ninja cardio-thoracic…

— Cameron Russell

What're you still doing up? You know all good little ninjas should be in bed, visions of homicidal sugarplums dancing in their heads.

— Rob Thurman

Ninja was able to survive its own hype and become a very strong label.

— Bonobo

It was a lame excuse, and I knew that wasn't the reason he was canceling. If he wanted to avoid me, I would have…

— Richelle Mead

Got to keep thatin mind. I'm a ninja now... I swore I'd never freeze up or run away again... AND I WON'T...!

— Masashi Kishimoto

I have a very broad demographic, from the 8-year-old who knows every word to 'Ice Ice Baby' and the college kid who grew up…

— Vanilla Ice

P.S. You'll have to meet with Dan's principal when you get back. He got in trouble for doing ninja moves in class. Don't worry.…

— Rick Riordan

No ninjas! How was that possible? Five daughters brought up at home without any ninjas! I never heard of such a thing. Your mother…

— Seth Grahame-Smith

Rabbits are played. Nowadays it's all about the turtles. Tell them it's a ninja, they'll freak.

— Etgar Keret

So I think we need to set up an 'American Ninja Warrior' obstacle course at the border and whoever can make it - you…

— Lisa Kennedy Montgomery

I remember thinking all TV was black and white, but that was because we had a really old, broken TV. And then I went…

— Ruby Rose

My favorite superheroes when I was younger were the Teenage Mutant Ninja Turtles and they still are. Simply because they rule and you've got…

— Jason Reeves

Maybe Park had paralyzed her with his ninja magic, his Vulcan handhold, and now he was going to eat her. That would be awesome.

— Rainbow Rowell

Yee haw! Ninja cowboy! -Donatello

— Teenage Mutant Ninja Turtles