Having been raised in an environment where modern standards and values have deteriorated, Ellie is considerably rash, foul-mouthed, impulsive, and temperamental, and is unfazed by the notion of using violence as a means to an end or profanity as a way of expressing how she feels. Ellie is also perceptibly clever and witty, and will do whatever it takes to keep Joel and herself alive. She has good survival instinct and she can be resourceful. She takes orders from Joel, but all the while makes it clear she does not "need any babysitting at all". Ellie is romantically interested in women.

She comes from a Jewish family that survived the Holocaust. When Dina was ten, she killed a non-infected human for the first time; the man was coming after Dina's mother, resulting in Dina stabbing himDina moved to Jackson, Wyoming, and joined the community under the leadership of Maria. She also became acquainted with Jesse, another survivor who lived within the settlement.

Jesse moved to the Jackson settlement under the leadership of Maria Miller. He also began dating Dina, another survivor living in the community. Their relationship was described as "on-and-off" by Ellie. Jesse became friends with Ellie. His relationship with Dina continued in an on-and-off fashion for years. The two eventually agreed to break up permanently, but remained friends. Jesse is a jokster but knows when to be serious.

He is Joel's younger brother. caring and compassionate man, Tommy survived the early years of the outbreak with Joel. However, the two separated as Tommy sought a more meaningful life than mere survival, leading him to join the Fireflies and later seek redemption through his wife, Maria, and the community of Jackson.

She is Tommy Miller's wife. She leads a thriving community in Jackson, Wyoming. She is a strong leader with exceptional skills in archery and leadership. She is compassionate which is a trait her husband adores. But she also isn't afraid to get her hands dirty. She's also a medic.