Why Gotham Is Using Ecco As its Harley Quinn | Cinemablend
Ecco | Gotham Wiki | Fandom
Spent my day in isolation working on an Ecco cosplay (outfit is bad cos I couldn't get out for clothes/materials) : r/Gotham
Dear me, my echo no longer my echo, they'll never be one like you" | Gotham show, Gotham tv, Gotham
Mr. Millicent Cordelia 🏳️🌈 on X: "Ecco was a Harley Quinn-like character, but she wasn't Harley. That doesn't mean we couldn't see Harley, and other characters we haven't seen yet, in Gotham's
Gotham Season 5: Harley Quinn's Origin Explained – Page 3