I do love me some ponies in classic Halloween charcter costumes.
Go get lots of awesome art below!
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by miryelis
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High in the mountains by chamommile on Deviantart
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by rangelost
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by aniimoni
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by monstrum
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Luna and celestia Sketch by SweetSa1t on Deviantart
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by sweetsa1t
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by _fairy_g_pony
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by kefirro7
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by anoraknr
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by lionbun
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by galaxy swirl
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Chainsaw Derpy by SyrikatSyriskater on Deviantart
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by calaphort
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by petaltwinkle
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Sketch COM: Starlight the Magician's Assistant by RyuseiHikari on Deviantart
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by gigisarts
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housemaid Coco pommel by VinilyArt on Deviantart
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Swan Boat by nevobaster on Deviantart
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Comm: Picnic by pridark on Deviantart
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Luna's Moon by BiniBean on Deviantart
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Somnambula (Redraw) by BiniBean on Deviantart
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Dangerous To Go Alone. by Nedemai on Deviantart