Ecco's FULL Harley Quinn Look Revealed for Gotham Season 5! - YouTube
Ecco | Villains Wiki | Fandom
Gotham: The Death of Ecco Opens the Door For Harley Quinn
FoxSteel's art & fanart — Ecco ("Gotham") ❤️🖤
Ecco Confronts Selina | Season 5 Ep. 3 | GOTHAM | Before she can see Jeremiah, Selina needs to get through Ecco... 📺: fox.tv/WatchGotham | By Gotham | Facebook
Gotham's Ecco Was Largely Inspired by Harley Quinn in 'Batman: The Animated Series'