As Karl Addison’s art and vision evolves—from blank slate, to pen, to paper, to t-shirt, to mural, to installation, to unoccupied public space—so does our understanding and comprehension of the world around us. We may not notice his input, infiltrating our subconscious—our everyday—but it’s there. Negative space filled with a lonely boy’s heart of bricks, a surprise polar bear attack in an alley famous for its gum wall graffiti, and a giant squid eating an octopus, giving lush tones of deep blue and magnetic orange to an otherwise dismal neighborhood.