Among the many messages carried by the Roman god Mercury were the dreams of Morpheus. Poet Ovid wrote that Morpheus lived in the valley of Somnus, where he created all the dreams of humans.

Mercury was charged with delivering them, whenever people slept. Little wonder, then, that Mercury had to be quick. The patron saint of merchants and thieves, Mercury’s influence stretches from the periodic table of the elements to modern-day superheroes. Wear this helmet, and think fast!