I am a fan of the Kaiju movies 
Shin Godzilla is my favorite, though I’ll admit I haven’t seen almost any of the older Toho films. Pacific Rim is bonkers fun. The newer American Godzilla/Kong movies are silly but I have fun with them if I remember to turn my brain off and just enjoy the sparkly light show 
But this is the Kaiju flick I’ve seen the most:
