Sunburst is a character from My Little Pony: Friendship is Magic.
He is voiced by Ian Hanlin.
Sunburst is the childhood friend of Starlight Glimmer, and royal crystaller to Flurry Heart. After saving Starlight from some falling books and recieved his cutiemark, he left for Canterlot to become Princess Celestia's student. Years later, he resides in the Crystal Empire, and eventually rekindles his friendship with Starlight with the help of Twilight Sparkle and Spike.