Esper Nyanko is a whimsical and mysterious character in the anime series Osomatsu-san. As an otherworldly feline with psychic abilities, Esper Nyanko often serves as a comedic yet enigmatic presence, providing unexpected twists and insights throughout the series. This character is known for its ability to communicate telepathically and predict future events, often leading to humorous situations involving the Matsuno brothers. Esper Nyanko's role adds a surreal element to the story, enhancing the show's comedic and unpredictable nature with its unique powers.