I don't have enough machines to have a scheme lol
- My gaming PC/game streaming server is "Orthanc" cause well... It's a computer tower.
- My NAS/Plex/*arr server is "lil-nas-x", cause it's built out of a small form factor NAS
- My personal devices are boringly named "ModelName-ABC", ABC replaced with my actual initials. Same for my wife's and kids' devices.