Hangyodon is a character created by Sanrio in 1985, depicted as a friendly marine fish with a wide smile. His name comes from a combination of the words "hangyo" and "don." Known for his optimistic and playful nature, he has become a symbol of joy and friendship in the Sanrio universe. Hangyodon figures are distinguished by their colors and details, making them suitable as a collection item, gift, or decoration.