How many thing characters are there?

In the animated series "The Amazing World of Gumball," there are six main "thing" characters: Gumball Watterson, Darwin Watterson, Anais Watterson, Nicole Watterson, Richard Watterson, and Bobert. Each character has distinct traits and personalities that contribute to the show's humor and storylines. Additionally, the show features various minor characters and one-off "thing" characters throughout its episodes, adding to the diverse and quirky cast.