As you probably know by now, each Ubuntu version has a code name in the form of "Adjective Animal" and initially, they weren't in alphabetical, until Ubuntu 6.06 Drapper DRAKE.

Let's take a look at all the Ubuntu mascots, from the warthog to the latest quetzal:

Up next: Ubuntu 13.04 RR. Will it be called Rampant RABBIT? Or maybe Rowdy RHINO? We'll see.