Simon Gurren-Lagann is the main protagonist of the anime series Tengen Toppa Gurren Lagann. Starting as a timid and insecure digger in an underground village, Simon finds his courage after meeting Kamina and discovering the Lagann mecha. As the series progresses, Simon matures into a brave and determined leader, guiding Team Dai-Gurren in their fight against oppressive forces. His character embodies themes of perseverance, growth, and the power of believing in oneself and others.