Popsugar Entertainment Halloween Once Upon a Time Costumes For Halloween 10 Fairy-Tale-Perfect Once Upon a Time Halloween Costume Ideas October 31, 2018 by Kelsie Gibson View On One Page Photo 3 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Hook What to wear: Leather everything: boots, pants, and trench coat. Wear a red vest and ring for a few pops of color. Don't forget your handy hook and guyliner. How to act: Devilishly handsome, but still capable of being the good guy. Previous Next Start Slideshow HalloweenOnce Upon A TimeHalloween CostumesGroup Halloween CostumesPop Culture Halloween CostumesTVDisney Halloween Costumes