“Based in north west London, for the past few years Smile has been created large printed posters and pasting them across the walls of the capital. Each bears a message addressing themes including “individual rights, personal responsibility, respect for nature and the environment and a warning against the destructive forces of greed, intolerance, arrogance and hubris,” he says. His name is drawn from those scenarios when you’re cheerily asked to “smile” even after being scalded, or following a traumatic situation: “it indicates a sense of control, like ‘you WILL smile, whatever we do.’”