You can create custom AI character images from a basic concept, allowing you to visualize story characters in a few minutes, try out some character costume ideas for video games, and see potential character mascot designs for your small business—rather than start with the final character illustration. For comparison, see ai image generator that works on samsung (nsfw).
The results hinge on what you type. A prompt with more precise instructions can give the app better guidelines, but a prompt with too few or too many instructions can lead to an unclear or inconsistent result. You may need to treat prompt building as an iterative creative process; provide the essential details and then refine the image based on results.
Understanding Custom AI Character Images
Custom AI character images are created based on text prompts, reference images, or a combination of both. To generate an image you’ll need to provide an image prompt that includes the character’s physical appearance, clothes, expression, pose, and background.
Making a one-off portrait is easy; making a consistent character is harder. If you need to put the same character on different comic book pages, in multiple game scenes, or across social media, you need to get them to look the same every time. That means you have to have a repeatable and consistent description of that character, along with reference images saved for each prompt.
Why Prompt Quality Matters
AI prompts are more like creative briefs than specific instructions. The tool isn't seeing your mental image of a character; it is matching patterns in your language and trying to find a picture that fits them.
Usually, concise prompts beat verbose, rambling ones. "A self-assured young detective in a navy peacoat on a dark, rainy downtown street" has a character, costume, atmosphere and setting. When you clutter a prompt with unnecessary details, the system may have to guess which ones to prioritize, which can affect how well the output aligns with your wishes.
Advantages to Creating Characters With AI
The most prominent advantage of using AI to create a character, as mentioned before, is that it gives you an idea of the speed at which the character is created. You can test several looks, art styles, clothing, and expressions of a character before deciding the path ahead. This can be helpful in brainstorming ideas, mood boards, storyboarding, game ideas, and presenting your work.
Not everyone has artistic ability and that should not bar them from contributing ideas for visualizing characters and worlds. With that in mind, a tool like AI-generated character designs makes character creation easier to understand and communicate for those who aren't able to draw, allowing artists to use these images as reference, or even for smaller groups to use before investing a huge amount of resources in developing the design itself.
Additionally, character creation with AI allows you to test a character through fantasy, sci-fi, modern, or even historical eras quickly and easily. This allows you to get some creative comparisons across your design.
The Building Blocks of an Effective Character Prompt
The essentials of a well-structured character prompt are simple: identify the character's role, age group, several significant physical characteristics, and some distinctive details. Specify the clothing, expression, pose, backdrop, and the artwork that the character should mimic.
Composition and lighting are equally crucial. In a headshot, only the face is shown. Clothing and body language are only visible in a full-body shot. Soft daylight is beautiful; hard shadows create a strong feeling.
Remember to be specific: hair color, the most visible detail of the clothing, facial scar, accessories, etc., but don't waste time describing every thread of the clothing.
A Practical Prompting Formula
A useful formula is:
character
defining features
clothing
action
setting
style
lighting
composition
An example prompt is: A fantasy warrior woman. And a better one is: A calm female forest guardian, hair in silver braids, a dark green cloak and a carved wooden staff stands in front of an ancient tree in a forest, at sunrise, painterly fantasy art, full-body.
The second version provides enough clarity for the AI model to understand what the image is supposed to look like. The first image does have a general idea about the character, but not much more. You can always adjust parts of the prompt, such as the face, clothing, camera view, or setting.
How to Improve Character Consistency
Improving character consistency is as simple as having a reusable base description with consistent details, like the character's facial structure, hairstyle, body type, clothing colors, and signature details. Save your prompts and make use of their verbiage when appropriate.
While reference images, character reference, seeds, and inpainting can be helpful, there is no guarantee that everything will be exactly as you want it. Faces and proportions change, and the color or style of the character's outfit may alter. To improve consistency, keep the detailed character description and only swap out one aspect, like pose, scenery, etc.
Things to keep in mind
Image generation isn’t 100% deterministic: you’ll be surprised to know that even for the same prompt, you can get different faces, dressing, or body type. There may be details missing, the poses may seem unnatural, and details like hands, text, jewelry, and matching jewelry can still remain a challenge.
Each platform responds to prompts in a different way. Also, if you’re going to be using a mobile device to create your images, keep in mind the device capabilities, privacy rules, and content regulations of your device provider.
For mature topics, there’s an AI image generator for Samsung; however, you must ensure you’re complying with age requirements, local laws, and the content regulations of the company.
A More Iterative Approach
Don't assume that the very first generated image will be good enough. Generate some different broad options and select whichever image features the best face, silhouette, or atmosphere. Then, you should fix the issues at hand rather than having to regenerate the entire picture.
This may be best done in stages; getting the character design right is a priority before focusing on pose and environment, then dealing with minor changes via in-painting, image editing, or even image editing applications. This way you can change one thing at a time without damaging the other components of the image.
Common Prompting Mistakes to Avoid
When a user enters a prompt like “make it cooler” or “make it better,” the image generator has no context of what should change. Rather than a broad, vague request, you need to specify the change you would like, such as “more defined lights,” “a more dramatic pose,” or “a minimal background.”
A frequent prompt error is specifying conflicting elements, e.g., “create a bright cheerful horror portrait, with a soft corporate lighting” that confuses the generator, except maybe when you want a juxtaposed contrast. Another common error is when the main description of the character shifts between prompts.
Using Custom Characters Responsibly
Custom characters should never be used to deceive people. You shouldn't make realistic versions of anything that gives the impression that a particular person in the real world said, did, or endorsed something they did not. Don't use a subject's face or other personal photos without first obtaining their consent.
Be aware also that copyright laws vary with regard to commercial uses. A few sites may allow users to create and share AI-generated content but not let them sell any of it. You are on firmer ground if you generate content inspired by a specific original character than if you attempt to recreate one of the same character.
Make sure to indicate clearly if a character is AI-generated whenever a generated image could plausibly be mistaken for a real image.
When Do AI Images Shine and When Should You Bring in Another Tool?
AI characters work best as brainstorming and prototyping devices, or as visual references, mood boards, or early storyboards. They allow you to describe something that you don't yet have good visualizations of.
However, AI characters aren't so great if you need precise alignment, trademark protection, or intellectual property certainty. Hire a great book cover artist, someone to help you with a large ad campaign, or an artist who will draw the same characters over and over again. Sometimes the best strategy is to use AI for exploration, then get a human artist to illustrate, revise, model in 3D, or otherwise professionally produce the image.
A Sensible Workflow for Better Results
A better approach is sticking to the proper workflow. Create a brief character description outlining key requirements that should stay the same. Generate your primary prompt from the character description, generate some variations, then decide on the final look before doing any edits like pose, background, style, etc. Save your top prompts, references, generation settings, and the result.
Zoom in on your character for details such as hands, eyes, clothes hems, accessories, and background elements. Ensure the image meets platform guidelines and other project specific requirements, then publish it.
Conclusion: Better Prompts, Better Direction, Realistic Expectations
The more you can describe your prompt and how targeted it is, the more guidance it will offer to the image generator to generate realistic images and that will guide you more. You're not going to get perfect AI images for character design on the first try; you'll need trial and error and strong editing skills to help generate your images.
Be specific in your descriptions, stick to it; don't overcomplicate things; only include a couple of characteristics; iterate on your images. Used correctly, AI character image tools can help make character design more inclusive and efficient without losing the human elements of judgment, responsibility and taste.