A couple of albums to get started on, are some heavy sounding stuff in the early 90s that sound very grungy... and apparently they were huge influences on the popular grunge rock 90s dudes anyway. Nirvana, etc.
Example: Houdini album in 1993.
UPDATE Feb 2024: Saw interview with Sludgemetal guys like Pantera, all saying the Melvins in the early 1980s is what got them to go that slow heavy sound way.
From Kaijuphile:
Return of King Ghidorah
Screenplay written by Shinichi Sekizawa
Alein invaders plan to scour the earth of its despoling population of humans before the world can be polluted beyond repair and becomes useless for their plans of colonization. Towards this end, the aliens bring the monster Mogu, Gigan and King Ghidorah to destroy human civilization. But their arrival does not go unopposed. The monsters Godzilla, Rodan and Varan escape from Monster Island to confront the alien space monsters.
History:
After his bad reaction to Godzilla vs the Smog Monster, Toho producer Tomoyuki Tanaka ordered that a new script be produced for the next Godzilla movie, this time featuring his classic foe, King Ghidorah. The Return of King Ghidorah was one of two scripts submitted and contained many of the elements that would later become Godzilla on Monster Island.
So this weird monster flying in the middle must be Mogu, who I think never showed up for real in any Godzilla movies. Only in this script. ???
