I’ve got several ideas, but I think they depend on answering the session 0 tone-and-level questions. On the other hand, maybe talking about the playbooks will help people answer those questions? In no particular order.
The Orc: a hero or champion from a Bronze Age fantasy Rome ruled by orcs. I’ve actually spent some time thinking about what that society would look like (e.g. it’s a democracy, there’s a bicameral legislature, “spears” and “sickles” are the two ways you get a vote - you stand in defense of the nation, or you’re a farmer or someone else involved in food production). Not so great for the Fantasy-in-space game variants, though.
The Collector: a traveling naturalist or student of mystic beings, who uses their skills to cure weird ailments or work a low-powered natural magic. Someone affected by the Overlord’s machinations, perhaps who wants to put nature back in balance (if that’s a thing). Probably works in any milieu, as long as there’s a nature to be balanced.
The Lantern: a default or fallback choice, something if a more overtly fairy-tale sort of world comes out of session 0. Inspired broadly by pastel fantasy like Legend of Mana, FF9, and Grandia.
The Tinker: a Tomb Knight: a fallen warrior brought back to life and outfitted with prosthetics to guard some important person or place. When that thing was threatened or destroyed by the Overlord, they went on a quest for revenge. Inspired by Ziggy from Xenosaga.
The Exile: a young traveling witch, cast out from their people. The comic-relief option, plucky and chipper.
The Remnant: a character similar to FFX’s Auron, a ghost or shade who plays mentor to some younger, more alive characters. Perhaps a past victim of the Overlord.