Category: Cliches: A ------- of one's imagination.?

Questions

The founder of the Mongol Empire took a name that translates as Emperor of all, what is the name?

What type of animal is an Australian talking about when he refers to a jumbuck?

Why was Elm Street in the news in 1963?

Who, in 1943, wrote the book The Gremlins, which was later turned into a successful film?

Which European capital city is heated by volcanic springs?