This article is devoted to the study of paintings by the famous French artist Gustave Moreau called the “last romantic”. Gustave Moreau was one of the main representatives of the symbolism, formally and factually realizing its principles in his works. The article explores the relationship of mythology, religious and creative ideas in Gustave Moreau’s  paintings  on the basis of philosophical and cultural analysis of his three paintings, demonstrating the image of the poet. A research into the painter’s works revealed the essence of the Gustave Moreau’s creative process and specified the potential of further analysis of the myth-making in art.