The War of the Gargantuas (1966)

aka Frankenstein’s Monsters: Sanda vs. Gaira 

(フランケンシュタインの怪獣 サンダ対ガイラ)

Released in U.S. - 1970

‘This is a rare Kaiju film that shows the monster eating humans in gory (for the time) fashion.’ - parlorofhorror

facebook (Classic Monsters + Classic Horror, the silent era - 1966), giphy.com (retro-time-machine), youtube (MustafaD), tenor.com, biorante.co.uk, terrordaves.com, parlorofhorror.wordpress.com, filmstruck.tumblr.com