Three Rings Design, Inc. is an online game developer that was founded on March 30, 2001 by Daniel James and Michael Bayne. The company is named after the Three Rings of the Elves in Tolkien mythology, and the names of the Three Rings show up in various places throughout Puzzle Pirates such as in the name of the developer flag, Narya. As of November 17, 2011, the company is part of SEGA Holdings U.S.A. Inc., a subsidiary of Sega Sammy Holdings.