sazac kigurumi - how to train your dragon - toothless - onesie halloween costume (one size) sazac inspired by toothless from how to train your dragon, this animal onesie brings your favorite movie character to life! from the adorable horns to the menacing tail, we went the extra mile to capture toothless’ unique charm and personality. each kigurumi is complete with a pair of oversized wings, so you’re just about ready to take flight. the only question is, can you be tamed? please note: toothless's wings do not stay open. they are propped open in the photos for display purposes.