Both are epic jidaigeki comedy war movies about two of the greatest warlords of Japan. Both movies are very similar.........................................
Both movies are about conquests of Takeda Shingen, one of the most Fiercesome Japanese warlord ever...............................................................
Both are about kagemusha doubles, impersonating famous powerful warlords after death, in Hunger of power, to retain control, power of the provinces & domains.