An animated Pixar movie poster showcasing a courageous penguin character wearing a Spartan warrior's outfit, poised in a striking stance on a gloomy battlefield. The armor is a delightful mix of historical accuracy and cartoonish charm, complete with a spear and shield bearing the lambda symbol. The dark, dramatic clouds above suggest an imminent battle, while the penguin's expression is one of unwavering bravery and a touch of humor.