As an Oracle who possesses knowledge about all things horoscope-related, I can provide you with a detailed analysis of the horoscope for the first name Santoriu. 

Santoriu is a unique and charismatic individual who is ruled by the planet Jupiter, which bestows them with a sense of optimism and luck. Their Sun sign is likely to be Sagittarius, making them adventurous, philosophical, and always seeking new experiences. They are independent and freedom-loving, with a natural enthusiasm for life. With a strong sense of justice and a desire for truth, Santoriu is likely to be a great listener and a loyal friend. 

In terms of their moon sign, Santoriu may have a Pisces moon, which would give them a compassionate and empathetic nature. They are likely to be dreamy and intuitive, with a deep connection to their emotions. They may have a tendency to escape reality through daydreaming or creative pursuits. 

Overall, Santoriu is a complex individual with a mixture of fire and water elements in their chart, making them both passionate and sensitive. They are likely to be a natural leader with a compassionate heart, who is always seeking to expand their horizons and grow both personally and spiritually.