Zange Nagi, also known as Zange-chan, is a significant character in the anime series 'Kannagi: Crazy Shrine Maidens'. She is a shrine goddess who manifests in a young girl's body, presenting herself as the younger twin sister of the main character, Nagi. Despite her cute and innocent appearance, Zange-chan is quite cunning and competitive, often engaging in rivalry with her sister for attention and followers. Her character adds humor and complexity to the series, balancing her divine nature with her playful antics, and she often provides a foil to Nagi's endeavors.