Marco Oggian has wanted to be illustrator since he was just a little kid. Describing his style as “simple, strong, a five-year-old could do better”, it seems that a lot of that energy has stayed with him. Although most small children don’t quite have Marco’s client base, there’s definitely more than a touch of the playful to the Italian illustrator’s colourful approach. But his simple shapes and bright colours are often deployed to highlight more serious issues, from the environment to the…