Flying Pancake
Ten years of changes - Celebrated the 10th anniversary of MLP:FiM!
My Little Pony - 1992 Edition
Dream Come True! - Participated in the MLP 9th Anniversary Event
Wallet After Summer Sale -
A Tale For The Ages - Celebrated MLP's 35th Anniversary and FiM's 8th Anniversary

How did they manage that? What, is 4de dabbling in time travel and accidentally stored the Derpy plushes next to their plutonium stockpile? Or were they just worried about them spontaneously combusting and surrounded each one with a couple hundred smoke detectors?
Badumsquish
Generic Messy Hair Anime Anon - Seen and done more than you can imagine
Kalianne - Derpi Supporter
Cutest Little Devil - Celebrated the 14th anniversary of MLP:FIM!
Rainbow Rocks 10th Anniversary: Aria Blaze - Celebrated the 10th anniversary of EQG Rainbow Rocks!
Celestial Glory - Helped others get their OC into the 2024 Derpibooru Collab.
Nightmare in the Moon - Had their OC in the 2024 Derpibooru Collab.
Pixel Perfection - I still call her Lightning Bolt
Silly Pony - Celebrated the 13th anniversary of MLP:FIM, and 40 years of MLP!
Shimmering Smile - Celebrated the 10th anniversary of Equestria Girls!
Lunar Supporter - Helped forge New Lunar Republic's freedom in the face of the Solar Empire's oppressive tyrannical regime (April Fools 2023).

ᗡ: 📶 📡
I still love you Derpy, even if you are radioactive :(
Justice4243
Happy Derpy! - For Patreon supporters
Friendship, Art, and Magic (2018) - Celebrated Derpibooru's six year anniversary with friends.
Magical Inkwell - Wrote MLP fanfiction consisting of at least around 1.5k words, and has a verified link to the platform of their choice

Crackfic Creator
@MetaKnight145
 
I can’t help but imagine it was some ill-thought out attempt to gain super powers.
MetaKnight145

What did they store it with that was radioactive? And why did a store called midtowncomics have access to radioactive materials?
YenaMuffin
The End wasn't The End - Found a new home after the great exodus of 2012

I want one!
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
This is too perfect. It’s a shame they had to cancel the product, but if any character had to be accidentally irradiated, Derpy is certainly the most appropriate pick.
Background Pony #5D01
Welcome to the new age, To the age…
Background Pony #9AE8
But…. but, glow in the dark derpy….
Evowizard25

Derpy’s radioactive? BY Celestia’s sweet buns, Fallout: Equestria is coming true.