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    Accurate Anatomy for Sonic Characters (Mobian Anatomy) - v2.0 (Illustrious)
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    Formerly known as "Accurate Anatomy for Mobians (Experimental)" Follow me on X if you want: https://x.com/bonsoirdude

    Ever wanted to generate Sonic characters accurately on-model? Here's a LoRA trained just for that! This Lora pushes anatomically correct Sonic characters into your existing generations, whether solo, posing, in groups or interacting with each other. This Lora works well with most styles and characters, even those outside the Sonic franchise.

    Recommended weight: 0.6-1

    Trigger prompts: onmodelblobian

    Helps a lot (recommended): sonic (series)

    Anatomy prompts for female characters: petite, curvy, small breasts, medium breasts, large breasts, flat chest, skinny, shortstack, child

    Prompts for male: skinny, child

    The more descriptive your anatomy prompts, the better the model performs.

    Enjoy!!

    Description

    FAQ

    Comments (12)

    _MizukiY72517Apr 2, 2025· 9 reactions
    CivitAI

    Thank you very much, Bonsoir!

    935348Apr 5, 2025· 9 reactions
    CivitAI

    How can I make a penguin OC?

    ripjsbApr 25, 2025· 13 reactions
    CivitAI

    I primarily use this model for generating original characters in the Sonic style. For this, I am able to achieve great results for a variety of species and both sexes. But for this goal, there are some features which would benefit me and my kin greatly:
    - A clear way to define skin tone/muzzle color. Consider "two-tone face" or "countershade face", but I would prefer "<color> face" and "<color> muzzle" to achieve complete flexibility.

    - More reliable production of solid-colored faces versus patterned ones. To my recollection, there are no Sonic characters with pattern faces but creators may want them for their own characters. I have to throw away around a third of gens for my main OC (the black, curly-haired goat I post frequently) because he will inexplicably have flesh-colored patterns around his eyes.

    - A stretch goal would be to include training data with a wider variety of muzzle/snout shapes. This would make it easier to speciate different characters and serves as a callback to Classic-era art which saw Tails and Knuckles with longer snouts.

    I'm sure you have already got to work on this for Version 3.

    bonsoirdude
    Author
    Apr 25, 2025

    These are noted for when I work on v3, thank you very much!!!

    DefinitiveJul 5, 2025· 12 reactions
    CivitAI

    Don't get baited by the blobian meme, it doesn't do blob feet, but otherwise fixes up and maintains a consistent Sonic-style character anatomy.

    5749134Aug 10, 2025
    CivitAI

    Does this work also on Vector the crocodile?

    DeadShotz90Oct 11, 2025· 4 reactions
    CivitAI

    When it comes down to it, this lora really helps out. About 95% of the time his other GOATED lora Sonic Channel Style is all you need for sonic character anatomy and mobian features and the style is an added bonus. However, that other 5% with certain poses and outfits, this lora really comes in handy to make the anatomy so much more accurate. Plus, it's super flexible with style and character loras. Can't wait for next version.

    caelcyndar5559Oct 23, 2025
    CivitAI

    How does this handle a character like Vanilla who has a more human-proportioned body?

    bonsoirdude
    Author
    Oct 23, 2025

    It makes an improvement on her anatomy but the model is really just trained after "normal" mobians.

    caelcyndar5559Oct 23, 2025

    @bonsoirdude that's good to know.

    poke117Dec 20, 2025
    CivitAI

    planning on doing a 3.0?

    bonsoirdude
    Author
    Dec 21, 2025· 4 reactions

    I am.

    LORA
    Illustrious

    Details

    Downloads
    1,914
    Platform
    CivitAI
    Platform Status
    Available
    Created
    4/2/2025
    Updated
    5/21/2026
    Deleted
    -
    Trigger Words:
    onmodelblobian
    sonic (series)

    Files

    bonsoirdude-onmodelblob-v2-il-2-20med.safetensors

    Available On (1 platform)

    Same model published on other platforms. May have additional downloads or version variants.