Puppycorn

Puppycorn is Unikitty's brother and best friend in Unikitty

Puppycorn is a dog with a unicorn horn. His coat is cobalt blue and cream in color with red and white paws. His tail is blue and round. He has a tan snout and auburn nose, with his mouth having a prominent snaggletooth. There are three, tan freckles on each side of his face. He has auburn eyes and thick eyebrows. He has short, triangular ears that flop downwards, and a cracked, yellow alicorn with a red base. He wears a black collar with dark, gray spikes.

TGTTA 2
Puppycorn is brought in the story with Uni Kitty and her friends and worked with Lydia, Dawnbeth, Finn, Jake, Amanda, Grovyle and Kyle to get Equestria back from The Legion's magic users. As he is a pen pal for Spike much like Uni Kitty is a long distance friend of Twilight. As a result he with Dr.Fox, Hawkodile and Unikitty join the Legends.