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 18 of 33 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Tommy From Rugrats What to wear: A blue t-shirt and a diaper, or if you're not brave enough to rock that look, you can settle for white shorts. You should also invest in a bald cap. How to act: Like a natural-born leader. Previous Next Start Slideshow HalloweenHalloween CostumesPop Culture Halloween CostumesTV