GAINAX NET｜Works｜Animation & Films｜天元突破 グレンラガン. Gurren Lagann. "Lagann" redirects here.
It is not to be confused with Lagaan. Gurren Lagann, known in Japan as Tengen Toppa Gurren Lagann (天元突破グレンラガン, Tengen Toppa Guren Ragan? , lit. 「天元突破グレンラガン」ポータルサイト.