he is a twin, his sister is named Majesty. her and Vanity were BEST friends as fillies, yes Vanity was mean to others but it was always well directed toward those who usually deserved it. No ones quiet sure where he picked up this attitude..

but as adults Majesty quickly became a successful Jewler in Cantorlot having recently opened up a store on her own there. Not only does vanity feel he’s falling behind his from his well beloved and successful sister while he is still living at home, but Majesty has also been crowned an element of harmony in the new age. The fact that majesty is so important and makes everyone so proud PISSES off vanity