Joe Bloggs vs Whosis

Joe Bloggs

name
  • A fictitious name used in legal documents for an unknown or anonymous male person. 

  • A personification of the general public, or of an average ordinary person. 

Whosis

name
  • Placeholder for a forgotten name. 

How often have the words Joe Bloggs and Whosis occurred in a corpus of books? (source: Google Ngram Viewer )