Nekoko is a fictional character associated with the Ukagaka (伺か) desktop mascot platform, which originated in Japan. She is typically depicted as a cute, cat-eared girl (nekomimi) who interacts with users on the desktop, providing playful companionship and quirky dialogue. Nekoko’s role in the Ukagaka community is as a popular mascot, representing the creativity and charm of the user-created 'ghosts' that populate the software. Her personality is cheerful and mischievous, endearing her to many fans of Japanese virtual characters.