When the Triarchy of Princess Trixie, Princess Twilight, and Prince Mark took over from the missing Royal Sisters, they made many changes. Most were for Equestria as a whole, but some were in Canterlot Castle itself. Under their more informal manner of ruling, unusual characters and events livened up the Royal Castle behind the scenes for the most part. These are vignettes of some of those people and their effect on those around them.