Reuters/Mark Blinch Google is a company of frightening scope. The sheer amount of info it has on internet users is astounding, and the fact that so many of us are reliant on its apps to function means it should only keep growing.

It’s also pretty nerdy. Or at least, that’s the impression it gives off whenever it adds to the enormous collection of Easter eggs snuck within its services.

Google's search engine, in particular, holds many of these in-jokes. If you’re not familiar with them, though, we’ve rounded up a handful of our favorites from over the years.