OHHHHHHHH! Who lives in a pineapple under the sea?! SPONGEBOB SQUAREPANTS! Get ready for some undersea fun with our SpongeBob SquarePants Costumes! This Halloween, you can be the goofy sea sponge and frolic around through an underwater adventure. With these costumes, you can get yourself into some silly situation that will have you bursting in a bout of bubbly giggles! This silly, animated sponge has been popular for decades and he’s showing no signs of slowing down. In a SpongeBob SquarePants costume, you're sure to have a boatload of laughs!