Blobs
Abiss Nickname source: file name.
Aoi Nickname source: appearance.
Bao Girls Nickname source: appearance (bun hairstyle).
BT & GT Nickname source: ???
Bubble Hair Nickname source: appearance (colorful head decorations).
Buns Nickname source: appearance (heart buns hairstyle).
Cactus Nickname source: appearance.
Camellia Nickname source: appearance (red flower).
Chibi Bug Nickname source: very small guy who looks like a bug.
Chibiel Nickname source: ikilote.net
Chirol Nickname source: ikilote.net.
Note: Seems related to Chiruchiru.
Chiruchiru Nickname source: ikilote.net.
Note: Seems related to Chirol.
Doug Nickname source: arbitrary (asked my friends to name him and they said "Doug.")
Dyna Nickname source: initial find of exploding animation.
Ena Nickname source: file name.
Flat Nickname source: looks flattened.
Flo Nickname source: don't recall; probably the flower on its head.
Fromage Nickname source: appearance (cheesy yellow).
Girly Nickname source: initial find of "giving crush a flower" animation.
Glasses Starhead Nickname source: appearance.
Greg Nickname source: arbitrary.
Heart Nickname source: appearance.
Note: shares some animations with Doug.
Lava Blob Nickname source: appearance (bright, fiery orange color).
Lemon Nickname source: appearance.
Misato Nickname source: file name.
Monochrome Devil Nickname source: appearance.
Moth Nickname source: appearance.
Onion Nickname source: white and round and kind of onion-like.
Parasol Nickname source: appearance.
Sirufu Nickname source: ikilote.net
Soft Nickname source: appearance (soft grey gradient).
Speck Nickname source: appearance (unusual dithering).
Spinny Hat Nickname source: appearance.
Tenshi Dango Nickname source: descriptive (Japanese).
Tiara Nickname source: appearance.
Tomachan Nickname source: appearance/file name.
Uchuu Nickname source: alien-like appearance (uchuu = "space" in Japanese).
Vamp Nickname source: appearance/file name.
White Baby Nickname source: appearance.
Yuumi Nickname source: file name.
Zodiac Nickname source: appearance.
Note: Do you have the missing ones? Contact me!
Not currently part of a set
Note: Kao-ani may be moved in and out of this section without notice as I find and identify more.

Angels

Basic (White)


Note: Some of these are almost certainly part of the same set, but it's hard to definitively sort them because of the generic "plain white blob" design.

Basic (Colorful)

Dressed Up

Unique Design or Accessories

Animals
Bunnies - Bonbon Nickname source: arbitrary?
Bunnies - Lapi Nickname source: appearance.
Bunnies - Other
Cats - Achi Nickname source: inspired by file name.
Cats - Cappy Nickname source: appearance (both instances include hats).
Cats - Grey Nickname source: appearance.
Cats - Kazutan Nickname source: file name.
Cats - Kocha Nickname source: appearance (Japanese for black tea, inspired by the brown fur).
Cats - K-san Nickname source: appearance (reminds me of J-san).
Cats - Leslie Nickname source: ???
Cats - LJ Cats Nickname source: these were used on Livejournal for entry mood indicators. There are many more I don't currently have, but they're still easy to access and I haven't prioritized them.
Cats - Luna Nickname source: appearance.
Cats - Nekita Nickname source: file name.
Cats - Samurai and Friend Nickname source: appearance.
Cats - Shiro and Mike Nickname source: appearance.
Cats - Siamese Nickname source: appearance.
Cats - Torakigu Nickname source: appearance.
Cats - Other Nickname source: appearance/file name.
Other - Chick Nickname source: appearance.
Other - Okame Nickname source: appearance.
Other - Pig and Friend Nickname source: appearance.
Other - Sheepo Nickname source: appearance/file name.
Other - Everything Else
Characters
Mixed Blobs/Oversized