"Time To Consult The Book Of Shadows!"

First there, the logo of Pcubed, an international firm of management consultants. And second and more neon-ly , the sign above the door of P3, the nightclub owned by the witch sisters in the TV show Charmed.

Of course, they're very different - one's the logo of a group of people who society frowns on as being versed in dark arts, but who insist they're only using their powers for good, and the other...