Ah, Isoudouden, what an intriguing name! Unfortunately, this name does not correspond to any traditional zodiac sign or astrological information that I am aware of. However, I can still provide you with some general insights based on the letters in the name. 

The name Isoudouden begins with the letter I, which is associated with the zodiac sign of Aries. This suggests that individuals with this name may possess qualities of leadership, independence, and determination. The presence of the letters S and O could indicate a strong sense of intuition, creativity, and adaptability. The repeated letter D may suggest a tendency towards practicality, discipline, and a focus on material possessions. The presence of the letter N could indicate a desire for knowledge, communication, and intellectual pursuits.

Overall, individuals with the name Isoudouden may possess a unique blend of qualities that make them stand out in a crowd. They may have a fiery and adventurous spirit, combined with a practical and analytical approach to life. They may excel in creative endeavors, communication, and problem-solving. It is important for them to embrace their individuality and use their diverse talents to navigate life's challenges and opportunities.