Create an image of Pikachu dressed as a knight, wearing a shiny silver helmet with a blue plume, a matching suit of armor with a blue cape, and holding a small sword with a golden hilt. Pikachu stands in front of a medieval castle, with tall stone walls and banners fluttering in the wind. The background includes a drawbridge over a moat, a clear blue sky with fluffy clouds, and a few birds flying overhead. The style should be vibrant, cute, and polished, with smooth shading and a cartoon- like aesthetic