We can’t be far from text-to-speech tweaking a ton of voice acting. Might have to pronounce or IPA your custom name, to get an AI voice to nail it… but maybe it’s better-off being wrong. There’s disarming verisimilitude in schmaltzy NPCs confidently fumbling your character’s name. Or if some characters heard it, but haven’t seen it, and you catch some mutter ‘so that’s how it’s spelled.’