Echo Location: Our Super Smash Bros. Ultimate Echo Fighter top picks series kicks off - Nintendo Wire
Super Smash Bros Ultimate is the first Smash game to officialize a clone status called “echo fighter”. Sakurai confirmed… | Smash game, Super smash bros, Smash bros
Metroid's Dark Samus could be an Echo Fighter newcomer in Super Smash Bros. Ultimate
Super Smash Bros. Ultimate - Potential Echo Fighters - YouTube
Completed Smash Ultimate character screen hints at a third Fighters Pass - Dexerto
Who are your most wanted Echo Fighters for Smash Bros. Ultimate? – Destructoid
Top Five Echo Characters That Should Be DLC in "Super Smash Bros Ultimate" - LevelSkip
Echo Fighters That Need to Come to Super Smash Bros Ultimate
Echo Fighter concept - Erik | Super Smash Brothers Ultimate | Know Your Meme
Echo Fighter Ideas For Smash Bros Ultimate : r/NintendoSwitch
Possible Echo Fighters for Super Smash Bros. Ultimate - Feature - Nintendo World Report
Possible Echo Fighters: Version 2! Featuring way more characters than the first one, and the removal of confirmed and deconfirmed ones. Please remember the difference between “possible” and “likely.” : r/smashbros
Potential Echo Fighters for 'Super Smash Bros. Ultimate' | Gamers
13 Possible Smash Bros. Ultimate Echo Fighters as Smash Bros. Wii U Skins [Mods] - YouTube
Just what ARE Echo Fighters? - Super Smash Bros. Ultimate (Analysis) - YouTube
Ultimate Echo Fighters - Feature - Nintendo World Report
9 Echo Fighters That Should Have Been In Super Smash Bros. Ultimate
Super Smash Bros. Ultimate: What is an Echo Fighter? | iMore
Delzethin Presents List of Potential Echo Fighters | Smashboards
Super Smash Bros Ultimate Skins and Echo Fighters by DarkManGc on DeviantArt
With Richter being an echo fighter for Simon, i'm pretty sure we'll be getting echo fighters for the other 3rd party. Those are my takes on what they could be. : r/smashbros