Hercules is a constellation located in the Northern celestial hemisphere. Its name is the Latin form of the Greek mythological hero Heracles. Its brightest star is Kornephoros.
Hercules has three most common shapes. The first resembles a flexing stick figure, appearing upside down relative to the neighboring constellations. The second resembles a stick figure with a club raised above its head. The third is a quadrilateral, called the "Keystone" asterism, with four bent limbs.