Prism

Prism is the older sister of Sunshine Dash and Dasher Rain, the daughter of Rainbow Dash and Soarin and granddaughter of Rainbow Blaze. She is also Princess Skyler's best friend. 
She is about five years older than her twin siblings. 
== Description ==
Prism has a rainbow colored mane. She has red, orange, orange-yellow, yellow, lime green, green, aqua blue and purle mane and tail that is wavy. She has her mother's pink eyes and eyelashes and her mother's coat color.