Sphinctoria: Water Park & Enema Provider Fun and practical, if you don’t mind the smell. Uncle Bill’s Mud Hole That’s not just a cutesy name, either. It really is just a mud hole, and Bill really is your uncle. There’s a reason your dad never spoke of him. Unlisted Off-Brand “SpongeBill Splitpants” Water Park Featuring all of your kid’s favorites… kind of! Take a swim with SpongeBill, his best friend Paddy Starface, and his cantankerous neighbor Skippy down in Bikini Butthole. Hungry? Why not grab a bite to eat at the Kruddy Scab? Or how about a visit with that…