Currently I'm naming all my devices after moons, from largest to smallest. So far I haven't confused myself with `io.local`, though I think about it a lot. It probably helps that it's a device that's pretty isolated.
https://en.wikipedia.org/wiki/List_of_natural_satellites and sort by "mean radius", or https://en.wikipedia.org/wiki/List_of_Solar_System_objects_b... and filter by color manually.