The Outer Gods are cosmic entities from the Lovecraft Universe. They are to be distinguished from the Great Old Ones.
They are located beyond the confines of Earth and the Solar System, exerting their influence from deep space. However, there are some Outer Gods who have taken up residence on Earth.
Azathoth is the eldest Outer God who spawned an Outer God called The Nameless Mist who is the progenitor of Yog-Sothoth (featured) who is also an Outer God who is the progenitor of Cthulhu who is a Great Old One.