Leo (♌) is the fifth astrological sign of the Zodiac. In astrology, Leo is considered to be a "masculine", positive (extrovert) sign. It is also considered a fire sign and is one of four fixed signs ruled by the Sun. Some common characteristics that are associated with leo are generosity, warmth, brightness, and self-motivation. Leos are sometimes known as the king of the jungle and tend to be dignified and strong.