Teenage Mutant Ninja Turtles Valentines with Tattoos. Nickelodeon™. 3+. 8 Awesome designs! Every card has a slot for tattoos. Using recycled materials. All rights reserved. Nickelodeon, Teenage Mutant Ninja Turtles and all related titles, logos and characters are trademarks of Viacom International Inc. valentines@papermagic.com. www.papermagic.com. © 2017 Viacom International Inc.