She is a female unicorn pony who transforms into an Alicorn and becomes a princess in Magical Mystery Cure. She is also the daughter of Twilight Velvet and Night Light, the younger sister of Shining Armor, sister-in-law to Princess Cadance, and paternal aunt to Flurry Heart.
Twilight Sparkle is a very well educated pony and is the one with the most formal education of the mane cast. She takes things seriously, almost to a fault, but does all that she can to look out for her friends.
saving equestria, and meeting the mane 5 in friendship is magic part1