Grieffon
The Power of Love - Given to a publicly verified artist with an image under their artist’s tag that has reached 1000 upvotes
Equality - In our state, we do not stand out.
Friendship, Art, and Magic (2018) - Celebrated Derpibooru's six year anniversary with friends.
Birthday Cake - Celebrated MLP's 7th birthday
Not a Llama - Happy April Fools Day!
Magnificent Metadata Maniac - #1 Assistant
Bronze Bit -
Artist -
Happy Derpy! -
A Perfectly Normal Pony - <Grieffon> it does kinda dry out a bit with fast strokes

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Amoeba?
Vree
Lunar Supporter - Helped forge New Lunar Republic's freedom in the face of the Solar Empire's oppressive tyrannical regime (April Fools 2023).
Not a Llama - Happy April Fools Day!
Magnificent Metadata Maniac - #1 Assistant
Derpibooru Premium - Learn about the benefits of subscribing to Derpibooru Premium membership at https://derpibo
Fine Arts - Two hundred uploads with a score of over a hundred (Safe/Suggestive)
The End wasn't The End - Found a new home after the great exodus of 2012

I thought they looked kinda like amoeba?
 
Maybe she’s a pony Rosalind Franklin.
Background Pony #325B
Looks like a mandelbrot plot. So… Mandelbella! </lame>
dt
Diamond Tiara's Diamond Tiara - Derpi Supporter
Diamond -
Not a Llama - Happy April Fools Day!
The 1% - Uploaded 1% or more of the site's images
Happy Derpy! -
Derpibooru Premium - Learn about the benefits of subscribing to Derpibooru Premium membership at https://derpibo
Perfect Pony Plot Provider - 150 uploads with over 350 upvotes or more (Questionable/Explicit)
Fine Arts - Two hundred uploads with a score of over a hundred (Safe/Suggestive)
Since the Beginning  -

No Thank You
Her mark looks like something you see under a microscope.
AshesOfSaturn
The End wasn't The End - Found a new home after the great exodus of 2012

Paisley
Robomorons
Perfect Pony Plot Provider - Uploader of 10+ images with 350 upvotes or more (Questionable/Explicit)
The End wasn't The End - Found a new home after the great exodus of 2012

I See You
I would name her if I knew what the fuck kinda cutie mark that’s supposed to be.