Zephyr
A teal hedgehog explorer with coral quill tips and running shoes.
Sonic OC Maker
Your species. Your colors. Your own kind of hero.
HEIC, JPEG, PNG or WebP · Up to 40 MB
Your written Prompt is used here. Builder choices stay saved separately.
Base uses your chosen colors, without a transformation aura.
Original Sonic OC examples
Four original concepts created with Codex image generation. Load a prompt to customize the species, outfit and personality in your own design.
Copper
A copper-orange fox courier with two blue-tipped tails.
Bramble
A burgundy echidna climber with downward quills and green wraps.
Luma
An adult female rabbit inventor in a mint jacket and navy shorts.
Base and Super transformations
Three fan transformations made with Codex image generation, using each Base illustration as the reference. Compare the face, animal silhouette and signature gear. Your own generations can vary.
Zephyr
Copper
Bramble
From a silhouette to your own OC
1. Start with a silhouette
Start with a Sonic, Tails, Knuckles, Amy or Shadow inspiration, or pick a species freely. Then shape its quills, ears or feather crest. Your character can be a fox, rabbit, bat or another supported animal, not just a hedgehog.
2. Make it your character
Choose colors, eyes, gloves and shoes. Add a personality and ability, or switch to Prompt to write your own description.
3. Build on your result
Review the model and credits, then generate. Download your Base design, or use it as a reference for a separate Super generation.
One character, a new kind of energy
Start with a Base design that makes the species, colors and signature gear easy to read. Super adds a luminous aura and a more energetic pose. Prepare your Base result as a reference to guide the next image; every transformation is a new, manually started generation.
Create a girl OC, an outfit, or a full-body design
Describe the character you mean
Want to make a girl character? Switch to Prompt and describe her directly, such as “an original adult female rabbit inventor with purple fur and long drooping ears.” Then add the expression, clothes and personality you want. There is no gender selector in Builder, and a particular eye shape or quill shape does not determine gender. You can use any supported species as your starting point.
Give the outfit its own description
Builder has separate fields for gloves and shoes. For a complete outfit, use Prompt to name the pieces: a mint utility jacket over a cream shirt, navy shorts, white gloves and mint running sneakers. Naming the garments is clearer than changing the accent color and expecting a jacket to appear. Try Luma’s prompt above to see a clothed, original animal character concept, then swap the colors or clothing to fit your story.
Keep the whole silhouette in frame
Builder already asks for a full-body view with ears and feet visible. In Prompt, keep that instruction and add a simple standing pose, a front three-quarter view and clear space around the silhouette. A plain background helps you check the ears, tails, gloves and shoes. These examples use a clean 2D cartoon style; choose your preferred aspect ratio in the generator, and remember that AI details can vary between images.
Sonic OC, Mobian OC, or fan character?
An OC is an original character you invent. A Sonic OC is an original character designed for a Sonic-inspired fan setting, with your own name, palette, personality and story. “Fan character” is a broader description of a character made for an existing fictional world.
You may also encounter “Mobian OC” in fan communities. Here it describes the same kind of original, Sonic-inspired animal concept; it is not presented as a universal official species label. SEGA’s character profiles identify Sonic as a hedgehog, Tails as a fox and Knuckles as an echidna. Start from the animal and design features you like, then give your own character a distinct identity.
Sonic OC Maker questions
Is this an official Sonic character creator?
No. This is an independent fan creation tool, not affiliated with or endorsed by SEGA. It helps you design an original animal character using familiar character inspirations as editable starting points.
What does Mobian OC mean?
Some fans use “Mobian” for Sonic-inspired anthropomorphic animal characters. Here, OC means your original character. Mobian is a fan term in this tool, not a universal official classification.
Can I create a character who is not a hedgehog?
Yes. Choose a fox, echidna, bat, rabbit, cat, wolf or bird. The silhouette controls change with the selected species.
How do I keep my character recognizable in Super form?
Generate a Base image first. Use “Use Base as Super reference” to prepare that result and restore its settings, then review the model and generate again. References guide identity, but colors and details can vary.
Does every species have a canonical Super form?
The Super setting here is a creative fan interpretation. It does not claim that every species or original character has an official transformation.
Can I use the design for a fan comic or roleplay?
You can use the tool to explore an original design and backstory for a fan project. Keep your OC distinct from official characters, and check the relevant rights and terms before publishing or selling work.
Is choosing a species or switching forms free?
Changing the Builder or switching Base and Super does not generate an image. Each manual generation uses the credit cost shown for the selected model. Sign in to generate and use private reference images.
Can I save my character image?
A successful generation includes a result panel with download and image actions. You can return to your generated images through the existing account tools.
Independent fan tool. Not affiliated with or endorsed by SEGA. Original examples are AI-created fan concepts. For official characters, visit SEGA’s Sonic Channel.