My coworkers think they're clever. I have now been dubbed Cliff from Cheers because of all of the random crap that I know. <sigh> It's funny because it's true. I don't do the know it all thing like Hermione, but when it came up at a meeting, "what's the difference between Greek yogurt and regular yogurt," and everyone else was stumped, I provided the answer. And when it came up how lard doesn't get used anymore, I pointed out how it really makes the best pie crust, but that a mixture of butter and shortening will work pretty well too... Well, maybe it's just me (and my relatives) but I thought everyone knew that type of thing.
At the same gathering where I got my new nickname, we also had a discussion about what superhero we'd like to be. I said Wolverine (coming from a 5'1" fluffy homebody) and my coworkers had fits. I amended with that if it didn't have to be a superhero, I'd be the lead from the show Alias because I really want to be a secret agent. Seriously, all my life I've wanted to be a secret agent. (hint, hint to any government officials out there, I'm ripe for recruitment) That topic got everyone going, apparently a lot of people dream of the thrill of being a spy or secret agent, etc.
In case you're wondering, yes we do work, and very hard. We've just had a couple of end-of-year gatherings lately where we've been able to chat about non-work related things.