As far as fictional ninja (shinobi) are concerned, Naruto and the Teenage Mutant Ninja Turtles are among the best franchises you can find. Naruto is a globally popular animanga series, while the TMNT ...

Concept artist James A. Castillo recently shared some of his alternate designs for April O'Neill, and we now have a look at his early artwork for the Heroes in a Half-Shell's wise mentor/father, ...