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 25 of 33 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 25 Squidward From SpongeBob SquarePants What to wear: You should paint your face and arms blue and wear a brown collared shirt. Instead of going pantless, we suggest wearing matching blue slacks. How to act: Pessimistic. Talk in a low, monotone voice. Previous Next Start Slideshow HalloweenHalloween CostumesPop Culture Halloween CostumesTV