Prompt: Create a 2D Asset representing a bacteria to be used in a simulation or game environment. The bacteria must visually incorporate the concept of 'Stable Diffusion'. Make sure the design conveys a sense of stability and diffusion. Use colors, shapes and details that emphasize these concepts clearly and attractively. Asset should be suitable for integration into a 2D scene and convey the idea of a stable organism that spreads into the environment. Be very creative