G-cells

G-Cells are cells of Godzilla, usually used to create a mutant of some kind, such as


 * Biollante
 * Biollante Rose-Form
 * Orga
 * Bagan
 * B.A.G.A.N.
 * SpaceGodzilla
 * Megagurius
 * Power Hour Godzilla
 * Yonggary
 * Zilla Jr.