big shot vs personage

big shot

noun
  • A person with a reputation of importance or power. 

  • A rare and significant chance to achieve fame or success. 

personage

noun
  • A person, especially one who is famous or important. 

  • The creation of corporate persons named after living people. 

  • Character represented; external appearance; persona. 

How often have the words big shot and personage occurred in a corpus of books? (source: Google Ngram Viewer )