FanOfMostEverything
Derpy! - For Patreon supporters
Cool Crow - "Caw!" An awesome tagger
Magnificent Metadata Maniac - #1 Assistant
Lunar Supporter - Helped forge New Lunar Republic's freedom in the face of the Solar Empire's oppressive tyrannical regime (April Fools 2023).
Non-Fungible Trixie -
Preenhub - We all know what you were up to this evening~
My Little Pony - 1992 Edition
Silver Bit -
Ruby -
Wallet After Summer Sale -

Planeswalker — FoME
Made by Apples, for Apples, of Apples!
 
… Not sure whether or not that last one should be capitalized.
TheAbridgenator
Perfect Pony Plot Provider - Uploader of 10+ images with 350 upvotes or more (Questionable/Explicit)

Entil'Zha
Ah, now we know why Prince Blueblood never got any apple treats, they were too expensive!
Lawful Girly
Not a Llama - Happy April Fools Day!

“Bah some appuls! Ahuhuhu
Lord WyrmSpawN
Solar Supporter - Fought against the New Lunar Republic rebellion on the side of the Solar Deity (April Fools 2023).
Non-Fungible Trixie -
Thread Starter - MLP G5 Discussion and Speculation Thread
My Little Pony - 1992 Edition
Wallet After Summer Sale -
Friendship, Art, and Magic (2019) - Celebrated Derpibooru's seventh year anniversary with friends.
Friendship, Art, and Magic (2018) - Celebrated Derpibooru's six year anniversary with friends.
Not a Llama - Happy April Fools Day!
Friendship, Art, and Magic (2017) - Celebrated Derpibooru's five year anniversary with friends.
The End wasn't The End - Found a new home after the great exodus of 2012

Put Out to Pasture
I can’t believe no one else thought of it.