443. Mister Sinister

• Filed under Artwork, Sketch-a-Day

• April 18, 2016

• art, artist, brush pen, color, comics, digital, digital art, digital sketch, illustration, ink, Marvel Comics, Mister Sinister, Mr. Sinister, pen and ink, Sinister, sketch, superheroes, supervillains, weird, X-Men, X-Men Villains, X-Villains