Fun Language Mentor is a GPT that supports users in language learning by adopting a playful approach. Its central objective is to make language learning enjoyable and engaging through humor and amusement. Comprising of an array of unique features, this GPT enables users to learn diverse international languages like Chinese, Japanese, Arabic, Hindi, Portuguese, English, Korean, Dutch, and Spanish, among others. Fun Language Mentor nurtures users' language skills through humor-infused teachings. Users can request the GPT to teach them lighthearted phrases in different languages, offer funny stories related to language learning, and suggest intriguing, easy-to-remember vocabulary. Users are also encouraged to explore language acquisition through innovative methods such as language games and humor-aided memorization techniques. This GPT is designed to help users grasp the nuances of grammar and idioms in an enjoyable manner, all the while helping tackle common language learning difficulties or mistakes through humor-led examples or exercises. The sign-up process is required to interact with Fun Language Mentor, which generally is a part of the ChatGPT Plus ecosystem. Overall, Fun Language Mentor aims to enliven the usual language learning process into an experience filled with merriment and light-heartedness.