fatalist vs gloomy Gus

fatalist

noun
  • One who maintains that all things happen by inevitable necessity; a person who believes in fatalism. 

gloomy Gus

noun
  • A person with a sullen, unhappy appearance or demeanor; a person with a pessimistic outlook. 

How often have the words fatalist and gloomy Gus occurred in a corpus of books? (source: Google Ngram Viewer )