Bluey vs Pippi Longstocking

Bluey

name
  • A nickname commonly given to a red-headed person. 

Pippi Longstocking

noun
  • A person, especially a girl or woman, given to headstrong, wild behaviour, flights of fancy, or irrepressible optimism. 

  • A person, especially a girl or woman, with long or flamboyant red hair, especially in pigtails or parted down the middle, and prominent freckles. 

How often have the words Bluey and Pippi Longstocking occurred in a corpus of books? (source: Google Ngram Viewer )