Brand characters and mascots are powerful marketing assets — but only when they stay consistent. The moment a character looks different across two pieces of content, the illusion breaks and the brand equity built around that character starts to erode. Standard AI generation cannot hold character identity across prompts: facial features shift, proportions drift, and distinctive details disappear or change between generations. For brands investing in a character-led visual identity, this inconsistency makes AI generation practically unusable at scale without a trained model solving it at the foundation level.

We built the training dataset from a combination of existing brand character reference material and purpose-generated base images — covering a wide variety of angles, lighting conditions, expressions, and settings. This diversity in the dataset is critical: a LoRA trained only on images from one angle or lighting setup will collapse when prompted into unfamiliar contexts. Every image was cropped, cleaned, and precisely captioned to describe the character’s distinguishing features without accidentally teaching the model to associate those features with things they shouldn’t be locked to.

Training ran on Flux Dev via ComfyUI with a conservative learning rate and checkpoint evaluation at regular intervals throughout the run. The target was a LoRA that activates the character’s consistent identity — face, proportions, colour palette, and distinguishing features — while still responding cleanly to pose, expression, environment, and style instructions in the prompt. Over- and under-fitting were both tested against a benchmark prompt set, and the final checkpoint was selected for maximum flexibility without identity drift.

The trained character LoRA now generates the same recognisable character reliably across any scene — from product packaging mockups to seasonal campaign settings to social media story formats. The character’s face, proportions, and defining features stay locked across every generation. What previously required a human illustrator or expensive CGI pipeline to maintain consistency can now be produced in seconds. The brand owns a permanent generation asset they can use across every future campaign, forever.