Gryphons are often thought of as similar to dragons or 'kin to dragons; however, gryphons are often depicted as having the head and wings of an eagle, the body of a lion, and the tail of a serpent, and are not (as far as i can tell) related to dragons. Gryphons are often used as gargoyles on medieval churches and buildings.
In legends, the Griffin has its origins in the Middle East where it is artistically represented in various forms by the ancient Babylonians, Assyrians and Persians. Gryphons also make an appearance in Greek mythology where they belonged to Zeus and guarded a stram filled with gold. There is a Slavic deity called Simargl (or Simurgh) who is considered the protector of seeds and new plant growth. He is depicted as a winged lion or dog.
In heraldry, the Gryphon represents knowledge (eagle) and valiance (lion).