The answer is always Mini-moon.
Go get a bunch of art below!
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by zokkili
Fall by ChaosAngelDesu on Deviantart
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MLP FIM - Rarity Bat by Joakaha on Deviantart
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Maud by TheBatFang on Deviantart
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Crystal Lake's Halloween Costume by sparkytopia on Deviantart
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Smool by RexySeven on Deviantart
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flawless sparklemoon 3 by Hierozaki on Deviantart
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Sweet dreams in the clouds ~ by Viryav on Deviantart
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Comm - Cuddle by Dusthiel on Deviantart
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Flawless Sparklemoon by Darksly-z on Deviantart
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Certified by Arcane-Thunder on Deviantart
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by gaffy
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by natanvok
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by natanvok
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by natanvok
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by natanvok
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SUNNY ILY!!!!!!!!!!!!!!!!!! by PSFMer on Deviantart
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by vinum
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Queen Chrysalis by fantazyme on Deviantart
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Nightmare Moon by fantazyme on Deviantart
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Applejack. by fantazyme on Deviantart
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Halloween.Over the Hills and Far Away by fantazyme on Deviantart
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by scheadar
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by itssim
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by miss_glowwormis
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by crimmharmony
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by 丫酱酱yuki
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by meteor s
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by jubyskylines
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by crimmharmony
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by dandy
