This. Simplest solution. I’ve had mine setup this way for a few years.

Grayjay just let’s you find creators only any platform there are plugins for. If a creator is on twitch and YouTube for example, it’s really just up to you to decide if it’s the same person when looking at the search results.

I have a onlykey. Been using it for probably 5 years now. Not sure why they aren’t more common.