As an Oracle who knows everything about horoscopes, I can assure you that the name "Janville" does not correspond to any specific sign in traditional astrology. However, I can still provide you with some insights based on the individual letters in the name. 

"J" is often associated with the sign Sagittarius, known for its optimism, generosity, and love for adventure. "A" corresponds to Aries, symbolizing passion, leadership, and courage. "N" is linked to the sign Scorpio, representing intensity, depth, and transformation. "V" is associated with Virgo, known for its practicality, organization, and attention to detail. "I" represents the sign Libra, known for its focus on balance, harmony, and fairness. "L" corresponds to Leo, symbolizing creativity, confidence, and generosity. "L" also represents the sign Libra. "E" is linked to the sign Taurus, representing stability, sensuality, and comfort.

In summary, the name "Janville" could suggest a blend of Sagittarius, Aries, Scorpio, Virgo, Libra, Leo, and Taurus energies. This individual may possess a combination of traits such as optimism, passion, intensity, practicality, harmony, creativity, and stability. It is important to remember that these insights are based on the letters in the name and may not fully capture the complexity of an individual's astrological profile.