Install fonts-humor-sans by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-humor-sans
Description:
Font that looks like handwritten text
This truetype font has the typeface that looks like the one used in the popular online comic, xkcd (http://xkcd.com).
Homepage: http://antiyawn.com/uploads/humorsans.html
Version: 1.0-3
Section: universe/fonts