Ok chief, symbolize this one
(Click for larger.)
That’s actually very interesting. For starters, there’s a very intentional phoenix aesthetic overall. Literal “power behind the throne” image.
Conclusion: Green man vs. behelit Ganondorf. Giant = god = the world as it is (in modern terms, the “system”/society/dominant cultural narrative). So, the holistically moral hero challenges the world order, which was established by some great sacrifice. It may just due to low art budget, but you get the sense that the human king has become detached and possibly disaffected. It occurs to me a perfect trope for the latter idea would be a “mad king”.
For some reason I never made the connection between gods and giants before. They’re pretty much interchangeable in myth.