Concept art Comic book Character art Artistic portrayal Dynamic pose Ninja Turtles Mutant ninja Pop culture Action pose Teenage Turtles Teenage Ninja Turtles Action figure Sword in hand Teenage Mutant Martial arts Ninja turtle Mutant turtles Ninja Turtles Teenage mutant turtles Mutant Ninja Turtles Character concept art Action shot Comic characters Graphic art Green skin Teenage Ninja Teenage Mutant Ninja Book characters Comic book characters Action hero