Install fonts-leckerli-one by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-leckerli-one
Description:
Leckerli One font
Leckerli One is a free Open Type font designed by Gesine Todt. It is a fat display typeface with irregular brush shapes and a handwritten feeling.
Homepage: https://www.google.com/fonts/specimen/Leckerli+One
Version: 20110000-1
Section: universe/fonts