Plunderseeds - Destroyed when Twilight returned the Elements of Harmony to the Tree of Harmony.Giant Timberwolf - Choked on a rock thrown into its mouth by Spike.(Timberwolves are magical creatures that reform, not necessarily into the same individual, from their pieces this and others later formed the giant one). Timberwolf - Smashed with branch by Applejack.(One survived, seen in The Saddle Row Review, presumably the first clone who didn't seem as unintelligent as the others). Pinkie Pie clones - Zapped by Twilight with a magic spell collapsing them into magic which was then sent into the Mirror Pool into various dimensions.King Sombra - Destroyed by Princess Cadance and the Crystal Ponies with the power of the Crystal Heart.Fuzzy Slippers - Presumably died of cancer, and may have been the pony whose funeral was being held in the episode following his only appearance.Revived shortly after, as it's part of the phoenix life cycle. Philomena - Became sick and spontaneously combusted.Earlier, in Griffon the Brush Off, she fed three fish, including two that looked identical. Five unnamed fish - Fed to ferrets by Fluttershy in Dragonshy, likely caught and killed by her.Unknown number of Swamp Fever victims - Permanently turned into trees during time when the cure was unknown.Unknown griffon - Skull found by Pinkie in the desert in the movie.Species is uncertain, but quite possibly a young pony murdered by Cozy Glow. Unknown large mammal - Skull among Cozy Glow's belongings in School Raze.Unknown cow - Skull near where Rarity went through the desert in flashback in The Cutie Mark Chronicles.Unknown cow - Skull near Appleloosa seen in Over a Barrel.King Guto - Likely dead as he no longer reigns over Griffonstone, cause is unknown.Spitfire - Possibly died of unknown causes, due to not being seen as part of the Wonderbolts.Pear Butter/Buttercup - Died of unknown causes, the creators have joked that it was either timberwolfs or a barn fire that killed them.Bright Macintosh - Died of unknown causes, the creators have joked that it was either timberwolfs or a barn fire that killed them.Feldspar Granite Pie - Likely died of old age.Princess Amore (Original Queen of the Crystal Empire).Series and Movies Unseen and before the first episode. 1.14 Before My Little Pony: A New Generation.1.1 Unseen and before the first episode.

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