Sketchbook Work – Tubular Dude! art, artist, artwork, bathroom humor, black ink, cartoon, cartoon art, cartoon illustration, cartooning, cartoonist, cartoons, comic books, comic strips, comicbooks, comics, concept art, creativity, doodle, draw, drawing, illustration, illustrator, imagination, ink, pen, sketch, sketchbook Not much to say about this guy. He just popped into my brain and I had to draw them. 🙂 Share this:TwitterFacebookLike this:Like Loading... Related