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Oh, puddin', aren't you delicious.
~ Ecco taunting Selina Kyle.
I was willing to look death in the face. To allow the old me to die. It's the gift Jeremiah's brother Jerome left him, and the gift he wants for all his followers.
~ Ecco to Selina Kyle.

Ecco is a supporting antagonist in the TV series Gotham. She is Jeremiah Valeska's assistant and henchwoman and acts as a minor antagonist/former ally in Season 4 and a major antagonist of Season 5 until her death during the series finale. Ecco is the predecessor to Joker's sidekick and girlfriend Harley Quinn from the DC universe.

She was portrayed by Francesca Root-Dodson.


Ecco claims her father moved out of her home before her sixth birthday. At some point in her life, Ecco becomes the assistant to Jeremiah Valeska (who at the time went by the alias Xander Wilde) and acts as his proxy, handling his public business herself. Other than these details, little is known about her life.

Jeremiah sends Ecco to capture Jerome so he can be held inside a cage. Jim Gordon and Harvey Bullock ask him to hand Jerome to the GCPD, but Jeremiah refuses. Jerome, however, sends his henchmen to hypnotize Ecco and sends her to kill Jim Gordon and Harvey and to bring Jeremiah to Jerome. Eventfully, she is freed from Tetch's control and resumes working for Jeremiah. That said, she for some reason did not try to save him from Jerome.

As Jerome's followers gather up after his death, a woman dressed as a Mummer in a jester costume shows up on her motorcycle at the cemetery in which they are all gathered. The leader of the troupe tells her the gathering is invitation only and tries to kill her by throwing a knife at her, only for her to block it with her wrist and blow an air horn. Gaining their attention with the noise, she holds up a voice recording to the horn, projecting a message from Jerome, giving the cult instructions to dig him up.

Jim Gordon shows up to Jeremiah's bunker and a video of Jerome begins to play on the screen. The Mummer shows up points a gun towards Jim's head and Jerome tells him not to mind her. Jim knocks the gun away and tries to fight the Mummer, but she puts up a fight back. Jerome begins being choked on the monitor. Jim gets the upper hand on the Mummer and knocks her out. He removes her mask to reveal Ecco as the Mummer, while on the screen "Jerome" is revealed to be Jeremiah with makeup. Ecco, taking advantage of his shock, sneaks away and locks Jim inside the bunker, which explodes.

Later, Jeremiah (now with pale white skin) arrives at Wayne Enterprises. The guards ask him if he's alone and he reveals Ecco behind him, who shoots the guards. The two of them steal the keycards and use them to enter the room where all of the self-perpetuating generators that Jeremiah wants to use as bombs are stored.

After the bombs activated, destroying the bridges and plunging Gotham into No Man’s Lands, Ecco sneaks into the GCPD and glances at a map that has information about the location of all the other villains. She hears a woman radioing for Jim and hides after drawing the Cult of Jerome symbol on the map. Jim almost catches Ecco, but she gets away just as he turns around.

Bruce Wayne and Selina Kyle find Ecco as a cult leader. She is trying to recruit others into becoming followers of Jeremiah. It is also revealed that since has been helping him hire slave drivers to find an escape route. Selina thinks she tricks Ecco into letting her become a member, but Ecco knows who she is. Ecco reveals that the candidates have to play a game of Russian roulette and aim the gun at each other. Selina jams the gun of the guy behind her. Ecco sends those that survived into another room to be “reborn” while she confronts Selina, who suggests she play the game. Ecco reveals that she had and shows her the scar below her ear, adding that the bullet is still inside her, and even puts the gun to her own head and pulls the trigger twice, laughing maniacally. Selina says Ecco is insane, who responds that she stared death in the face, which allowed the old her to die. She then reveals she knows who Selina is, saying she and Jeremiah know all about Bruce’s life, amd says neither of the, are ready to embrace their truth selves. Selina knocks Ecco’s gun away, and they fight until Selina gets the upper hand and holds the gun to Ecco’s head, who stabs her in the leg and gets away.

Ecco brings the recruit to Jeremiah, who is disappointed by the low number. Ecco says she thought he would want quality over quality. Jeremiah grabs her by the throat, pulls her close and looks at the side of her head, saying she has set the bar high for devotion. He pulls her into dance and she tells him about Bruce and Selina looking for him. After Ecco leaves with the recruits, Selina somehow gets a hold of Ecco’s mask and robe and uses it to get close to Jeremiah where she stabs him nine times,

Jeremiah survives the stabbing and is stitched up. He rests while Ecco supervises Jeremiah’s digging operation. She wakes him up when they reach their destination and shows concern over Jeremiah’s injury. He notes that the bullet is making her sentimental has her shake her head to get rid of those feelings. As Ecco helps him up, he reminds her why he had to let Selina think he was dead. He asks her if she has news and Ecco says all systems are go. Jeremiah has Ecco lead him into what looks like Wayne Manor where he has prepared Thomas and Martha Wayne look-a-likes via plastic surgery.

Jeremiah planned to recreate the night Thomas and Martha Wayne were murdered. He and Ecco made a “Mask of Zorro” styled film where she helped him, murder people, they had captured. Ecco was then stationed at Ace Chemicals, along with Jervis Tetch. They captured Jim Gordon and Lee Thompkins, and Jeremiah has Ecco tell Tetch to hypnotize Jim and Lee into thinking they were Thomas and Martha Wayne. Ecco drove a truck full of rockets to the site where Jeremiah planned to shoot Jim and Lee. Selina intervened and Bruce tackles Jeremiah, so Ecco turned on the bombs. Jeremiah got away and ordered Ecco to activate the bombs before they both fled with Bruce and Selina in pursuit. Jeremiah lured Bruce to Ace Chemicals alone where he became severely disfigured and brain dead after falling into a vat of chemicals. Ecco’s current whereabouts are unknown.

Sometime after the reunification, Ecco infiltrated Arkham Asylum where she cared for Jeremiah, who only faked being brain dead while he waited for Bruce to return to Gotham. Ten years later, Jeremiah and Ecco made their move, keeping up their cover as they plotting to blow up the new Wayne Tower. After Jim figures out that Jeremiah is the culprit, Jeremiah and Ecco leave Arkham and show up at the Sirens club, planning to kidnap Barbara Lee Gordon. Ecco holds a knife to Barbara Kean’s throat, but Barbara Lee saves her mother by throwing something at Ecco’s head, and Barbara stabs Ecco with her own knife. As Ecco bleeds out, Jeremiah laments her inevitable death, and says there will never be another like her. Ecco is happy to hear that, and then Jeremiah fatally shoots her. Ecco gives one last bloody smile before falling dead on the floor. Jeremiah then casually states that he supposes that there are other fish in the sea.


Ecco is extremely devoted to Jeremiah. At first, she seems calm, friendly, and professional when talking with Jim and Harvey, calmly answering any questions they asked about her boss and being affable towards anyone who isn't a threat to her boss. She does have a bit of an arrogant side as shown in her interaction with Jerome when she told him she was going to transport him in a cage all well calmly smiling. After Jeremiah becomes the Joker, she reveals a more psychotic personality, killing two guards for him and being willing to act as his accomplice in destroying Gotham. However, she likely only did this because of her respect towards him or because he paid her to do whatever asks.

After being shot in the head, Ecco’s personality shifts to a more energetic and unhinged one, even though at times she still can maintain her stoic calm personality. She begins to worship Jeremiah like a god despite his abuse, and seemingly Jerome by extension since she claims that insanity was “the gift” that Jerome gave Jeremiah. She also has no problem putting a gun to her own head and laughing maniacally as she pulls the trigger three times. She also licks blood off her finger, and calls Selina “baby” and “Puddin” during their confrontations foreshadowing her romance with her employer.

Her relationship with Jeremiah has also changed, going from merely being his assistant and proxy to his most devoted follower. She is infatuated with Jeremiah, but is also nervous around him as she is afraid of displeasing him. The bullet in Ecco’s head has been confirmed to affect how she thinks and feels, and can be moved around in her head at will by shaking her head. Even when Jeremiah kills her, she retains her love for him, smiling before passing away. In additon, the bullet also affected her competence as she is nowhere as professional as she was prior to being shot in the head.


Season 4

  • A Dark Knight: Mandatory Brunch Meeting
  • A Dark Knight: That Old Corpse

Season 5

  • Legend of the Dark Knight: Year Zero
  • Legend of the Dark Knight: Penguin, Our Hero
  • Legend of the Dark Knight: Ruin
  • Legend of the Dark Knight: Pena Dura
  • Legend of the Dark Knight: Ace Chemicals
  • Legend of the Dark Knight: The Beginning


  • Ecco is the predecessor to Joker's sidekick and girlfriend Harley Quinn from the DC comics and other media. In the Season 5, Ecco uses the nickname "Puddin'", which is what Harley famously calls the Joker.
  • Her name may possibly be a homage to the character of Isabelle Cheranova aka Echo, who was a Russian assassin that fought Batman during the events of the No Man's Land comic crossover event, an event that served as partial basis for the last episode of Season 4 as well as the entirety of Season 5.
  • Ecco returned in Season 5 and gained a new costume and an appearance that is closer to Jeremiah's. Her outfit bares a slight resemblance to Harley Quinn’s outfit in Arkham City, and her jacket is similar to the one worn by thugs that worked under her in City and Knight.
  • In the Season 5 premiere, Ecco looks like she did at the end of Season 4 and still has her stoic personality, implying something will happen to her that will make her become more unhinged as the season progresses.
    • This is semi-confirmed in the third episode when Ecco confirms she got shot in the head and that the bullet is still in her brain. She implies the experience is what drastically changed her personality. However, unlike most versions of Harley Quinn, she aided her employer in his crimes even before her transformation.
    • According to Francesca Root Dodson, she believes Ecco suffered her head injury prior to Season 5, and her personality shifted slowly. This is implied during 5x03 when she seems to alternate between her stoic and calm personality to her more insane and flamboyant personality.
    • As seen in the series finale, Ecco never really lost her stoic personality as she could still maintain it as a part of her cover. That said, it could be just an act.
  • It is unclear if Ecco is her real name or an alias she has adopted. Just before Jeremiah kills her, he says that she is “no longer my echo”, implying it was an alias chosen because of her devotion to him and how she literally “echoed” his will.
  • She shares some similarities with Bane in that both are minions of the main antagonists of the fifth season (Jeremiah Valeska and Nyssa Al Ghul).
  • Ecco is the last character to die in Gotham, as well as the only character to be killed in the ten year time jump. Chronologically, she has also lasted the longest from the time she was introduced to the time she was killed, living for eleven years with ten of those years being offscreen.
  • Assuming she was around Jeremiah’s age, she would have been in her twenties when she was introduced and in her thirties when she died. That said, she could also be older than him given her looks.


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