Masterji is saved from two assailants after one of them trips over one of these objects in Aravind Adiga's novel Last Man in Tower. An alien named Abe Sapien complains about one of these objects in the film Hellboy. Sheldon owns a tissue box shaped like one of these objects on the Big Bang Theory. One of these objects helps Chris Gardner get an internship at (*) Dean Witter while in a taxi cab in the Will Smith film, The Pursuit of Happyness. The ZZ and CFOP methods are employed in speed competitions involving these things. The Continuum Transfunctioner takes the form of one of these devices in Dude, Where's My Car? God's algorithm was first proposed to describe the optimal way of solving these objects, invented by 
Masterji is saved from two assailants after one of them trips over one of these objects in Aravind Adiga's novel Last Man in Tower. An alien named Abe Sapien complains about one of these objects in the film Hellboy. Sheldon owns a tissue box shaped like one of these objects on the Big Bang Theory. One of these objects helps Chris Gardner get an internship at (*) Dean Witter while in a taxi cab in the Will Smith film, The Pursuit of Happyness. The ZZ and CFOP methods are employed in speed competitions involving these things. The Continuum Transfunctioner takes the form of one of these devices in Dude, Where's My Car? God's algorithm was first proposed to describe the optimal way of solving these objects, invented by a Hungarian sculptor. For 10 points, name this toy and three dimensional puzzle where you twist to line up the colors.
Masterji is saved from two assailants after one of them trips over one of these objects in Aravind Adiga's novel Last Man in Tower.
Rubik's Cube [or Magic Cube; prompt on just Cube]