Wolverine by Giuseppe Camuncoli
Why so serious? The one and only Joker Gothams most disturbed villain
Why So Serious by Denny Bangke, via Behance
The Joker, by Charles Holbert Jr
The Joker by HouHouHaHa
Ben Chen: "Joker Scream". Revisit a traditional work of art using a character or theme from popular culture.
J is for Joker, that's good enough for me.