The Sistine Chapel Figures are two of the most iconic figures in the Sistine Chapel. The SERAPHS, with seven letters, are angelic figures that are often depicted as having six wings and four faces. They are believed to be guardians of God's throne. The SIBYLS, with six letters, are female prophets in Greek and Roman mythology who were said to have the power to predict the future. They are often depicted as being seated on a throne or chair.