In the show "Tengen Toppa Gurren Lagann" what is the name of the character who force everyone to live underground?

The character in the show "Tengen Toppa Gurren Lagann" who forces everyone to live underground is Lordgenome. As the Spiral King, he establishes a harsh regime known as the Beastmen Empire, where humanity is forced to live in fear and despair beneath the surface. By controlling the limited resources and tyrannically suppressing any attempts to rise above ground, Lordgenome ensures the continuation of his rule, obstructing humanity's freedom and potential for progress.