Leon Sans is a geometric sans-serif typeface that was created by Jongmin Kim in 2019 using code. This typeface provides the ability to change font weight dynamically and to create custom animations, effects, or shapes within the Canvas element of HTML5. The font was designed by Jongmin Kim to celebrate the birth of his newborn baby, Leon. This typeface demonstrates the potential for code-generated typography, with the added feature of dynamic weight and custom animation capabilities.