A character used live has a different job from a single finished illustration: it needs to remain readable while the person controlling it is also speaking, reacting and managing the session.
I start with a small expression set and a dependable resting pose. A character does not need a huge collection of movements before it can communicate clearly.
Establish the neutral character
I draw a neutral pose that feels intentional. It should have a clear silhouette, recognisable proportions and a comfortable relationship with the frame. The resting expression is likely to be seen often, so it deserves more attention than a temporary gap between dramatic poses.
I check the character at the size it will appear during the stream. Features that look expressive on a large canvas may be too subtle once the puppet shares the screen with other content.
Choose distinct reactions
I select a few reactions with different uses: listening, speaking, surprise, amusement or a deliberate pause. I write what each one should communicate and check that the artwork actually supports that reading.
A small set makes it easier to keep the visual language consistent. It also makes the live controls easier to learn. More options can be added later when a genuine gap appears, rather than because every possible expression seems necessary at the beginning.
Plan the transitions between poses
I look at how the character moves from rest into a reaction and back again. A pose can be clear in isolation while the change into it feels abrupt or confusing. I test the ordinary combinations that are likely to occur during use.
I avoid making every reaction a large movement. A quieter change can be useful while someone is talking, whereas an exaggerated action may suit a particular moment. The range should give the operator choices without turning every response into a spectacle.
Keep the important features visible
I test the character beside the surrounding interface, camera frame or presentation material. Accessories and background effects should not obscure the face or make the silhouette difficult to separate from the scene.
I also check what happens when the character is partially cropped. If an essential gesture depends on a hand that falls outside the frame, I either change the framing or choose another gesture. The design needs to fit the actual presentation, not an ideal empty canvas.
Make live use manageable
I group controls around a small number of useful actions and label them clearly in the handover. The person operating the puppet should be able to practise a short sequence without repeatedly consulting a complicated map.
A sensible fallback matters too. If a reaction is interrupted or a control is released, the character should return to a usable state. I review that behaviour during rehearsal rather than assuming the performance will follow the intended sequence perfectly.
Finally, I watch a short recording of the puppet in context. That reveals repeated gestures, distracting movements and expressions that read differently during speech. The aim is a character that supports the person behind it: expressive enough to have personality, and simple enough to remain comfortable to use live.