Popsugar Entertainment Halloween Nickelodeon Halloween Costumes 32 Ways You Can Bring Your Favorite Nickelodeon Characters to Life This Halloween October 4, 2016 by Kelsie Gibson View On One Page Photo 21 of 33 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 21 Ren and Stimpson From The Ren & Stimpy Show What to wear: For Ren, you should wear a khaki jumpsuit, and for Stimpy, we suggest orange and white footie pajamas. How to act: Ren is short-tempered, while Stimpson is optimistic. Previous Next Start Slideshow HalloweenHalloween CostumesPop Culture Halloween CostumesTV