Blue Devils Temporary Tattoo What's more intimidating than a red devil? A blue devil, of course. It's more cunning and cool, ready to wreak havoc in a low-key, calculating manner. With a sinister expression, oversized pointed ears, prominent horns, and empty white eyes, The Blue Devils Mascot Temporary Tattoo is the perfect way to raise funds for your grade, middle or high school Blue Devils team as well as for intramural or college teams. The Blue Devils temporary tattoo is also the perfect Halloween costume accessory if you decide to trick or treat as a Blue Devils fan or as the Blue Devil himself.