Shining Armor

Shining Armor is a male unicorn pony, Twilight Velvet and Night Light's son, Twilight Sparkle's older brother, Princess Cadence's husband, and Flurry Heart's father. He is the captain of the Canterlot Royal Guard, serving under Princess Celestia and Princess Luna, and bears the title of prince as a result of his marriage to Cadence. He is also one of the characters in My Little Pony: Friendship is Magic.