Link to reference image:
https://images.app.goo.gl/NwpoFurydw5Rxodq9
In my opinion The Joker was best portrayed by the incredibly talented Heath Ledger. This drawing seems almost chaotic with all the scribbles, and every Batman fanatic knows that the Joker is a chaotic character. Chaos is fair, as the Joker stated himself in The Dark Knight.
This portrait was done in gel pen on A3 paper.