A hyper-realistic movie poster featuring a character with a cat head on an anthropomorphic humanoid body, evoking the charm of Marvel's cute Groot character. The scene captures intricate details and a cinematic vibe, rendered in Octane with stunning high-definition clarity. The background is a vibrant blend of cosmic elements, enhancing the fantastical theme while ensuring no presence of typical human features. The character stands in a dynamic pose, embodying playful innocence and heroic allure, set against a backdrop that suggests an epic adventure.