Teenage Mutant Ninja Turtles: Mutant Mayhem is now in theaters, and in addition to the Heroes in a Half-Shell themselves, the Seth Rogen-produced animated reboot introduces new interpretations of ...

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, ...

The Teenage Mutant Ninja Turtles are about to reunite with the one character fans were almost certain they would never see again.

Justin Runfola, a character design and visual development artist on Teenage Mutant Ninja Turtles: Mutant Mayhem, shared some concept art for the film showing off the nefarious Shredder. Runfola posted ...