Robes, 3piece, pajama sets, onesies, nightgowns, etc., are some of the best-selling sleepwear you can buy for toddlers, tweens, and big girls. The brand, My Little Pony, is owned by Hasbro. From making the My Little Pony Series over the years, the brand has come a long way, and fans collect its toys. The color of dream, imagination, and intuition is sky blue.