He's-a back! The most famous plumber in the world returns to cinemas this week with a sequel to the mega-successful Super Mario Brothers Movie. It has been three years since Nintendo's mustachioed mascot appeared alongside brother Luigi, Princess Peach and their nemesis Bowser, making more than $1.3bn (almost £1bn) worldwide. The Super Mario Galaxy movie, named after the Wii game of the same name, moves the action to space and adds beloved characters Yoshi and Rosalina to the cast. Reviews of