Toby vs joker

Toby

noun
  • The superintendent of a street market. 

name
  • A male given name from Hebrew. 

  • A surname originating as a patronymic. 

  • in the traditional Punch and Judy show the showman's (live) dog trained to take part in the puppet show and to carry a bag around the audience soliciting donations. 

  • A female given name from Hebrew. 

joker

noun
  • A funny person. 

  • An unspecified, vaguely disreputable person. 

  • A friendly unit that acts as a suspected hostile unit in a military excercise. 

  • A jester. 

  • A person who makes jokes. 

  • A clause in a contract that undermines its apparent provisions. 

  • A man. 

  • A playing card that features a picture of a joker (that is, a jester) and that may be used as a wild card in some card games. 

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