Finnish soldier - eviltoast

During winter war soviet general hears someone shouting from wood - “One finnish soldier is better than ten soviet”. Angry general sends ten man to deal with annoying Fin. After short period of shots and dying soviets screams, comes another shout - “One finnish soldier is better than hundred soviet”. General sends hundred soldier and again none of them comes back. Then general hears third shout - “One finnish soldier is better than thousand soviets”. Furious general sends thousand man to deal with him. This time one of his soldiers manage to survive and reports to general - “Sir, please don’t send more of our troops, it’s a trap, there are two of them!”.