As an Oracle who knows everything about horoscopes, I must inform you that the name "Guastavino" does not correspond to a specific zodiac sign, as horoscopes are typically associated with birth dates rather than names. However, I can provide you with some general insight based on the letters in the name "Guastavino." 

The letters in "Guastavino" suggest a sense of creativity, ambition, and a strong sense of intuition. Those with this name may possess artistic talents and a desire for success in their chosen field. They are likely to be independent thinkers who enjoy exploring new ideas and concepts. This name also indicates a strong sense of loyalty and determination, as well as a willingness to overcome obstacles in pursuit of their goals. 

Overall, individuals with the name "Guastavino" are likely to be driven, innovative, and have a deep connection to their inner selves. They may benefit from honing their creative skills and embracing opportunities for personal growth and self-discovery. Remember, while names can offer some insight into personality traits, it is important to consider individual birth charts for a more accurate horoscope analysis.