Did everyone forget the texts to minors? Dude was a predator. He wasn’t dropped from the show just on the DV accusations but also the mountain of evidence that show he was a creep. https://wegotthiscovered.com/celebrities/justin-roiland-claims-embittered-ex-tried-to-have-him-canceled-but-fans-ask-what-about-those-alleged-creepy-messages-to-minors/
in case anyone else was wondering, the answer to the replacement method is ‘soundalikes’
This is why you don’t short yourself on voice actors and make only one do them all. Hinging your entire success off of one and only one person brings and creates it’s own risks.
It shouldn’t be a problem, there are some really good Justin Roiland soundalikes, and it’s not like Rick’s voice hasn’t changed over the course of the show anyways.
The harder part will be finding someone with the right comedic timing. That’s Roiland’s bigger contribution to the show