When I was a kid, I often mashed together elements of various fictional universes in my imagination. Thus, it wasn’t uncommon for me to imagine an adventure in which Mr. Spock was hanging out on the Millenium Falcon with Han and Chewie while they were on their way to pick up Aquaman. Apparently, one grown-up fanboy still likes to combine his various interests:

As always, click for a bigger view, if you dare…

[FYI, this photo comes from this year’s Comic-Con; a gallery of other costumes can be found here.]