Mercury is a business rival of Silver, and is also an inventor. He is currently in a relationship with an Exile known as Pepper.
When the Merovingian discovered a loss of profits in their location, he sent players out to find out the reason, which lead to Mercury. However, he denied that he was holding back the profits and stated that another enemy of his, Thallia, had been disrupting his business. In reality, both Mercury and his former lover, Raini were in league with Anti M. After he and her lover were captured and tortured by the Twins, they both revealed the location of Anti M.