Natalia Karczmarczyková, who uses the nickname Natsu, is a 29‑year‑old Polish content creator. She is active on platforms such as YouTube, TikTok, and also competes as an MMA fighter. Natsu has built a large and devoted fan base across the country. Fans describe her as one of the most attractive women in Poland. Her popularity spans both social‑media influence and combat sports. She continues to generate significant attention online.