What is associated with: characters have been rejected by their author in a 1921 play by this italian?

Based on the clue 'characterized by the use of primitive tools its th...', what is the answer? Based on the clue 'characters die in this order ruth keith david rico...', what is the answer? Based on the clue 'characters from this nickelodeon show are seen her...', what is the answer? Based on the clue 'characters from this play circling uranus are arie...', what is the answer? Based on the clue 'characters he played on his new variety hour inclu...', what is the answer? What is associated with: characters in this 1942 ballet include the head wrangler the champion roper? What is associated with: characters in this 1964 film include col bat guano gen jack d ripper? What is associated with: characters in this 1987 movie parody include lord dark helmet pizza the hutt?