"Create a squirrel character illustration in the style of Pixar. Imagine a lively squirrel with expressive features and dynamic poses, reminiscent of the beloved characters from Pixar films. Infuse the illustration with vibrant colors and bold lines to capture the energetic and playful nature of Pixar animation. Consider giving the squirrel exaggerated expressions and gestures to convey its personality and emotions. Place the squirrel in a whimsical environment filled with rich textures and intricate details, showcasing the attention to detail characteristic of Pixar's animation style. Ensure the overall illustration exudes warmth, charm, and a sense of adventure, drawing inspiration from Pixar's iconic storytelling and visual flair."