Who Cleaned The Litter Box? SHARE on Facebook Funny Kitten MEME: The litter box was clean when I woke up. I think aliens were here. Prev Meme Next Meme Popular Cat Memes Kitty Needs A Nap! The Litter Tray Is Empty Again! This Cat Mommy Is Overprotective! Kittens Took A Vote! Attack Kitten On Duty! The Kitten Has A New Toy! That’s How Cats Always Roll! Are You Serious? I am Adopted? A Little Cat Hair!