Talk:List of monsters from comics and books/@comment-831485-20151010000504

Maser Patrol uploaded an article discussing Gamera's non-film adventures, including a 1999 one-shot manga story dubbed "Gamera vs Morphos" - the latter of which appears to be an evil shape-shifting Gamera impostor, or clone: https://maserpatrol.wordpress.com/2015/10/09/gammerama-the-extended-universe-of-daieis-most-famous-monster/