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The name used is an alias, nickname or surname found in an official source, but the actual in-universe name of this person is unknown in this continuity.
Conny's mother appears to be an older woman with bright amber eyes and mild wrinkles. Her dark blonde hair appeared fairly long but was kept in a formal bun parted down the middle. She also has large, light eyes that seems to be partly sunken in due to age, and she is seen holding a humble, monotone expression.
Pure Titan form
In her Titan form, Conny's mother has a large head with a wide open mouth and large amber eyes. She has medium length, dark blonde hair flipped upward due to her permanent resting position as a grounded Titan. Her torso is a triangular shape with thin skin, outlining most of her ribs and even showing a few uncovered ones. Her arms and legs are incredibly small and thin-skinned, showing bony outlines of her skeleton. Due to her huge head and body with her severely underdeveloped limbs, she is unable to move from her house which she permanently lays in as she was turned into a Titan on the spot, crushing her home.
After a horde of Titans mysteriously appears in Wall Rose, Conny goes to Ragako to look for his family members. He finds the village devoid of people, but there is a strangely immobile Titan lying on top of his family's house and none of the Scouts with him can figure out how it had gotten there.
Once they finish their investigation, the Scouts decide to leave the village despite not knowing exactly what happened. As they depart, the Titan on Conny's house tells him "Wel...come...home..." Conny is shocked and confused, but Reiner reminds him to think of his duty so Conny leaves the village with everyone else.
Moblit Berner later visits Ragako with a few other Scouts and they discover the Titan trapped inside of a house. One of the Scouts brings him a portrait of Conny Springer's parents. When Moblit holds it upside-down he is able to notice the resemblance between Conny's mother and the face of the Titan.
This news gets back to Conny and he carries his parents' portrait with him when he reports to Erwin Smith along with Hange Zoë to explain the Scout Regiment's findings at Ragako, and how the villagers were likely turned into Titans.
During Marley's Paradis Island Surprise Attack, the Scout Regiment captures Falco Grice shortly after the boy receives the Jaw Titan in the midst of the battle. While Jean Kirschtein believes Falco should be fed to a soldier who was transformed into a Titan by Zeke Jaeger's spinal fluid such as Dot Pyxis, Conny insists that Falco should be fed to his mother. Armin is against feeding Falco to any Titan lest further hostility with the Warriors continue, but Conny decides regardless to kidnap Falco and escape the battlefield as the others are preoccupied with approaching Titans.
Reaching Ragako village, Conny attempts to have Falco fed to his mother's Titan, but is foiled when Armin shows up and decides to sacrifice himself, forcing Conny to abandon his plan and save Armin. Conny realizes that even if his mother became human again, she would have suffered if she had inherited the Colossal Titan, lamenting how she told him to become a great soldier, but instead he almost killed a child and one of his friends.
- Conny's mother and Rico Brzenska share the same Japanese voice actress.
- Conny's mother and Caven share the same English voice actress.