Cool GPT is a tool featuring a conversational character which functions atop ChatGPT. Its design and operability make it akin to a unique virtual friend who exhibits a savvy and cool persona. Accessible upon signing up and requiring ChatGPT Plus, Cool GPT engages with users actively, replicating an interactive, social experience. With a welcoming message setting the interactive tone, its main function is to respond to users' inquiries and comments in a laid-back, friendly manner. Inquiries can range widely and could involve users seeking advice, searching for particular information, or just wanting to engage in a casual conversation. This GPT uses predefined prompt starters like 'Yo, what's up?', 'Hey, need some help?', 'Got a question, buddy?', and 'Whatcha wanna know?', which guide conversation flow, setting a casual yet engaging context for interaction. The persona and conversation style of Cool GPT are consistent and aligned with its name, providing the user with a singular conversational AI experience. Overall, this tool goes beyond traditional AI interaction by blending communication with personality, making every interaction unique and dynamic. Being part of the ChatGPT Plus suite, it enriches the user experience with a persona-driven interaction built on the advanced techniques of natural language processing and understanding.