Here’s my list of Friendcodes/IDs for games/system I play regularly:

Logo Game/Console Friendcode/ID
Nintendo Switch Logo Nintendo Switch Name: Chris
ID: SW-0220-7496-7815
Sword Art Online: Fractured Dayream Logo Sword Art Online: Fractured Daydream Name: Chris
UID: 773585678
Genshin Impact Logo Genshin Impact Name: Nanolx
Server: Europe
UID: 703891096

And here’s the list for games/system I only play from time to time:

Logo Game/Console Friendcode/ID
Nintendo Wii U Logo Nintendo Wii U Name: Chris
ID: setialpha
Fire Emblem Heroes Logo Fire Emblem Heroes Name: Chris
ID: 7581 6986 96
Pikmin Bloom Logo Pikmin Bloom Name: Nanolx
ID: 8337 9868 8622
Pokémon Go Logo Pokémon Go Name: NanolxPriv
ID: 7764 6389 4044
Pokémon TCG Pocket Logo Pokémon Trading Card Game Pocket Name: Nanolx
ID: 2471-1977-2129-4966
Super Mario Run Logo Super Mario Run Name: Chris
ID: 8880 1453 6736
Honkai Star Rail Honkai Star Rail Name: Nanolx
Server: Europe
UID: 703720377
Zenless Zone Zero Zenless Zone Zero Name: Nanolx
Server: Europe
UID: 1500164468