Gotham's Ecco Was Largely Inspired by Harley Quinn in 'Batman: The Animated Series'
Gotham: The Death of Ecco Opens the Door For Harley Quinn
This Is Who Plays Harley Quinn In Gotham
Did 'Gotham' Just Introduce Harley Quinn?
Gotham's New Character Ecco May Come From the Comics
Gotham' Showrunner John Stephen Shares Why Ecco Is Their Harley Quinn
Spoiler] Ecco/Harley Quinn : r/Gotham
LONG LIVE JEREMIAH ♦️♦️♦️♦️ I've finally finished my Ecco cosplay, there a few bits I might add over Christmas but … | Gotham cast, Gotham series, Gotham characters
Harley Quinn Introduction Teased In New 'Gotham' Image - Heroic Hollywood