Animal Mashup is a GPT that serves as an interactive image-guessing game focused on animal hybrids. It creatively combines the characteristics of two distinct animals to produce a new, imaginary creature, which players are then prompted to guess. The GPT does not merely produce simple combinations of animals; it challenges user creativity by creating unique and unexpected animal blends. To foster this creativity, the tool offers features such as 'Create your own Mash-up', where users can select two animals to form a distinct hybrid, or 'Guess a Mash-up', which proposes a challenge to guess the original animals based on the provided hybrid description. Some examples of fun and engaging combinations include a 'Hybrid skunk and hippo' or a 'Combine dragon and butterfly'. While the tool can certainly entertain individuals, it also encourages a learning environment by stimulating conversations about animals characteristics. It requires users to sign up for the ChatGPT Plus service to access and participate in the game. Although built upon a backdrop of fun, Animal Mashup actually serves as an innovative demonstration of the capabilities of AI in generating unique creature combinations based on user prompts.