Il Baciccio is the nickname of the renowned Italian Baroque painter Giovanni Battista Gaulli, who lived from 1639 to 1709. He is best known for his stunning frescoes, particularly in the Church of the Gesù in Rome, where his work exemplifies the grandeur of Baroque art. His style is characterized by dramatic use of light and color, creating a sense of movement and emotion. Gaulli's contributions to art extend beyond frescoes; he also created numerous altarpieces and paintings for various churches and palaces. His ability to blend architecture and painting made him a significant figure in the Baroque movement, influencing many artists of his time and beyond.