One regular one:
Sefo, who is not as alien as he looks, meets Ythrykythyr, who definitely looks alien, and asks the obvious question.
And three NSFW ones:
Sketch of a cute naked kitty lady with three legs.
Introducing a new character: Carym Thrickerson, the almost certainly not-nude bunny. Strange things keep happening to her clothes and she almost certainly cannot explain it.
Butterscotch, half-naked the hard way: side-to-side!