Here’s the fourth and final clue to one of the Keepsake ornaments that will be exclusively available at this years Comic-Con International (July 11-15, 2012) and New York Comic Con (October 11-14, 2012) events.

Clue: This one sets the gold standard for galactic villainy.

Do you have an idea who this is? Enter your best guess in the comment section of this post, then come back next week (on May 30th) for the big unveiling.