You keep saying you want to talk about Oz, Oscar, etc. but can't because they're spoilery. What if I say pleeeeeaaaase? :P
You’re twisting my arm, anon. D:
There’s a lot I want to say about Ozma and his hosts—in particular, how the curse works and how magic affects them—but those topics are strictly off-limits for now. They would give away major spoilers for the Relics, the gods, certain locations in the story, and important details about other characters.
But since you asked so nicely…
King Ozark was the last monarch of Vale, and Ozpin’s immediate predecessor. While opinions of him nowadays are generally favorable, he was a fairly controversial figure for his time. In life, he was an exceptional fighter (and that’s saying something, considering he’s from a culture of dyed-in-the-wool warriors). Even before the Great War kicked off, he was a source of irritation for Mistral, largely because he went out of his way to hide slaves that managed to escape Anima and flee to Eastern Sanus. He would feign ignorance whenever Mistrali diplomats travelled to the capital and demanded that he return their lost property. Apparently, he delighted in watching them fume when the best he could offer was a shrug. Ozark was also a bit of a playboy, to the endless dismay of his advisors, who regularly harped on him to get hitched and sire heirs. (Historians like to joke that dissolving the Valin monarchy was Ozark’s way of getting out of marriage.) His fabled sword—the one he carried into battle—was allegedly lost during the Great War, as no records of its whereabouts exist in the present day. Both collectors and anthropologists occasionally make the dangerous trek out to the Vacuose deserts in search of it.
Ozpin is Beacon’s Academy’s third headmaster, and currently its oldest, having held the position for over forty years. In the present-day, Ozpin is in his sixties. Like in the canon, he’s widely regarded as a prodigy.
Oscar is from the town of Ameneurosis, an important agricultural settlement between the City of Mistral and the seaport Etesia. The chalk grassland makes the area ideal for farming sheep, rabbits, and takin (the latter of which is a common mount). Oscar and his aunt (along with his neighbors) breed takin as familiars for Huntsmen. His parents died when he was six, and he’s been raised by his aunt ever since.
Ozma is the only one who I’m hesitant to talk about. I will say that his relationship with Oscar is a bit tumultuous in the beginning—there’s an incident early on that puts them both in immediate danger, and leaves Oscar with little in the way of choice regarding his circumstances. While Oscar understands that none of this is necessarily Ozma’s fault, that doesn’t stop him from being low-key resentful. (Oscar in the Redux is somewhat sassier than his canon counterpart, and he regularly tests Ozma’s patience.) Trust is something that the two of them gradually build, hindered by the fact that Ozma withholds rather important information, and Oscar sometimes doesn’t listen to him out of sheer pettiness.
Edit: I caved. If you want to know a little more about how the curse works, proceed.