I'm sorry, but it appears "Jouao Yashinv" is not a recognized or common first name in any horoscope system. However, if we were to analyze it based on the letters and sound of the name, we can provide a more general interpretation for you. "Jouao" sounds similar to the name "Joao," which is typically associated with the zodiac sign of Leo. Leos are known for their confidence, passion, and leadership skills. They are natural born leaders and enjoy being in the spotlight. As for "Yashinv," it is a unique and non-traditional name, suggesting a creative and innovative personality. Individuals with this name may possess a sense of originality and a strong intuition. Overall, the combination of the two names could suggest a person who is charismatic, driven, and has a unique approach to life. They may thrive in creative endeavors and enjoy taking risks to achieve their goals. Remember, though, that horoscopes are just one tool for self-reflection and should be taken with a grain of salt.