The titular mecha of the series, Tengen Toppa Gurren Lagann is a manifestation of ludicrous amounts of Spiral Power, controlled by Chouginga Gurren-Lagann.
It was originally the largest mecha in the series, standing 10 million light-years high, until the introduction of Chou Tengen Toppa Gurren-Lagann in Lagann-hen.
The following tags are aliased to this tag: tengen_toppa_gurren_lagann_(mecha) (learn more).