Twilight possesses a signature, recognizable color palette and design:Coat: Light purple or lavender.Mane & Tail: Dark indigo/navy blue with vibrant stripes of pink and purple, which end in sharp, straight edges.Eyes: Vibrant, almond-shaped purple eyes.Cutie Mark: A pink six-pointed starburst surrounded by five smaller, white stars.Form Transitions: She begins the series as a Unicorn, but later sprouts wings and ascends to Alicorn status—growing slightly taller with a longer horn and curved neck.

Chitin & Structure: She has a very slender, dark-gray to black exoskeleton (chitin) with holes throughout her legs, mane, and tail.Eyes: She has dark green, double-pupiled eyes (a vertical slit inside a round pupil).Horn & Mane: She has a twisted, gnarled unicorn horn and a flowing teal mane and tail.Wings: She possesses tattered, insect-like wings that produce a buzzing sound.Voice: She has a distinct, layered, echoing voice, as if two people are speaking in sync.