Jancroon: From Concept Art to Broadcast in 6 Hours

Jancroon is an original sci-fi fantasy epic: three present-day misfits are teleported to Jancroon, a city in the sky above a far-future Earth where today's religions survive only as myth, and must master their latent mystic-science powers to defend the planet from the alien Croon.

At a glance

The challenge: animation with nothing to anchor to

Most comic-to-animation work comes with a safety net. There are published pages, a settled character model, a fixed palette the system can lock onto. Jancroon had none of that. The graphic novel was still in development, so there was no finished book to point at, just the creators' concept art and their sense of the world.

That's the hardest version of the job, and it's where generic AI tools come apart. With nothing solid to hold onto, they start guessing. Faces change between shots. Proportions slide around. The color drifts until, a few seconds in, the character no longer reads as the same character. When you're still working out a look instead of copying one, that kind of slippage kills the whole thing. The point of the exercise is that people walk away knowing what Jancroon looks like.

So the bar wasn't "match an existing style." It was steeper: take a world that doesn't exist yet as finished art and keep it consistent across a full cinematic sequence, close enough that its own creators recognize it.

Source concept · Mike Baron / Henry Martinez

Concept Motion

Generated · scene 03 — same character, in motion

Why the creators mattered

Jancroon isn't AI filler wearing the costume of an IP. It's the work of real, accomplished people: Eisner Award–winning writer Mike Baron, known for Marvel's The Punisher, with art by veterans Henry Martinez and Dan Kemp. That's the whole point of how we work. The artist stays in the driver's seat from the first frame to the final sign-off, and the animation answers to their vision, not ours.

Audiences can spot hollow AI output now, and they're right to flinch at it. So staying faithful to the original human art isn't a feature we bolt on. It's the product. Jancroon stays Jancroon.

The approach: lock the look, then move it

We built the piece straight from concept art, with no published comic to lean on. The look got set once, with the creators, then held steady across every frame using Geometry Lock, our process for keeping a character's identity consistent from the first frame to the last. The face that opens the sequence is the face that closes it.

The creators kept control the whole way. Before anything animated, the storyboard (the cinematic static frames) went to them for review and sign-off. That's the stage where composition, style intensity, and pacing get tuned, while changes are still cheap. Nothing rendered until they approved it.

We don't reinterpret the work frame by frame. We set the look with the creators, lock it, and keep it there.

Storyboard · Yangzan Dragon (Sarah Dahlinger)

Final frame · same creature, in scene

The result: a broadcast-quality cinematic, in hours not months

The finished 90-second piece came back broadcast-quality in about 6 hours, built from concept art alone. The characters and the world held together across the whole sequence, with the consistency you'd expect from a traditional studio and a turnaround a traditional studio can't match.

We put it in writing, too. The delivery came with a style-fidelity report documenting the match frame by frame, so the creators could check the work instead of taking our word for it. Ownership was never in doubt: the Jancroon team keeps 100% of the finished animation, the concept art, and every frame in between. We hold none of it.

Why it matters

This is the case to point to if you're sitting on an idea rather than a finished comic. You don't need a published book, a full style bible, or an existing animated reference to get a broadcast-quality cinematic out of CurtainCall. Concept art is enough. We set the look with you, lock it, and hand back something faithful and fast that you own outright.

If a world with no finished book can hold its identity across a full sequence, an existing IP with published pages is the easy case.