1. Being a mature man is not just about age, it's about taking responsibility and living up to your values. With this in mind, choosing a motivational WeChat name can help you stay focused on your goals and inspire others along the way.

2. One option is "Rise and Grind," which emphasizes the importance of hard work and persistence in achieving success. This name also suggests that you are someone who is always striving to improve and reach new heights.

3. Another idea is "No Excuses," which speaks to the mindset of a mature man who doesn't let obstacles get in the way of his goals. This name can also convey a sense of discipline and a no-nonsense approach to life.

4. For those who value a positive attitude, "Positivity Pays" could be a great choice. This name highlights the idea that being optimistic and grateful can bring many rewards and help you overcome challenges.

5. "Lead by Example" is another WeChat name that can serve as a reminder of the importance of being a role model. As a mature man, you have the power to influence those around you with your actions and words, and this name reflects that responsibility.

6. Ultimately, the best motivational WeChat name for a mature man will depend on his individual values, personality, and goals. The key is to choose a name that resonates with you and inspires you to be the best version of yourself.

7. In conclusion, being a mature man means taking responsibility for your actions, living up to your values, and inspiring others to do the same. By choosing a motivational WeChat name, you can stay focused on your goals and set an example for those around you. Whether you choose "Rise and Grind," "No Excuses," "Positivity Pays," "Lead by Example," or another name altogether, the important thing is to keep striving toward a better future.