[Olipro]

If you want to be fully pedantic, it's Élő, not Elo - the way in which you pronounce the former is dramatically different from the latter.

[shawabawa3]

To be correctly pedantic, it's named after Élő but it is called the Elo rating system

[neaden]

if you want to be fully fully pedantic its Glicko-2 rating system on Lichess, while FIDE uses Élő.

[digging]

Rather, players have a FIDE rating within FIDE, and a unique rating in each system, because no organization follows the exact, original Elo system.