concept of Gargoyles started between the 11th and the 13th Centuries.
Their purpose was first to scare off evil, and second as a fancy
way to divert rainwater. Many have open mouths because they also
functioned downspouts to divert rainwater from foundations. As a
result, many of the early Gargoyles also had rather long necks.
The word "Gargoyle" originates from the old French word
"Gargouille" meaning "Throat" but which also
fairly well describes the gurgling sound of water coming through