Which chatbot did Elon Musk make?

Could you tell me about the chatbot that Elon Musk has created? I'm quite intrigued to learn more about this development, especially considering Musk's track record of innovative and cutting-edge projects. What exactly is the name of this chatbot? What unique features or functionalities does it offer that sets it apart from other chatbots in the market? Furthermore, what was the motivation behind its creation, and how does it align with Musk's broader vision for the future of technology and AI?