that button on your chair, right side, it's bright red: push it.it's the ejector. just stand back, he'll be gone in a flash.
It's Professor Ethan Siegel, astrophycist and blogger. He's very fond of donning such extreme outfits to costume parties.He's an excellent science popularizer about such difficult matters as quantum mechanics, relativity, astronomy and cosmology. You can check his blog here: http://scienceblogs.com/startswithabang/By the way, I love your blog, one can always count on it for a good laugh.
Thanks for the information and the compliment Ribozyme!
The can of Raid is under the counter.