Shining Armor is Twilight Sparkle’s older brother. Her made his first appearance in “A Canterlot Wedding,” when the Mane 6 were invited to be part of his wedding to Princess Cadence, Twilight’s old foalsitter. He is captain of the Royal Guard, and he and Cadence have a daughter– an alicorn, Flurry Heart.
Key Episodes:
A Canterlot Wedding pt 1 and 2
The Crystal Empire pt 1 and 2
The One Where Pinkie Pie Knows
The Crystalling pt 1 and 2
A Flurry of Emotions