Lucia and Jason are not just two protagonists — they're romantically and criminally entangled. That's the first time mainline GTA has built a flagship around a couple. The structural consequences for mission design, narrative arc, and replayability are genuinely new.
Two protagonists are confirmed by name: Lucia Caminos and Jason Duval. Beyond them, every named character is unconfirmed or rumor-only. Here's the canonical roster — what Rockstar has actually said vs what the internet is guessing.