Paramount Pictures has shared some official concept art for Seth Rogen's upcoming CGI Teenage Mutant Ninja Turtles reboot, giving us a look at the character designs for Leo, Raph, Donnie and Mikey.

Joins members of the cast and crew of Teenage Mutant Ninja Turtles: Mutant Mayhem for a behind-the-scenes look at the upcoming animated movie, including the inspiration behind the film's design ...