Elli develops solutions for private users and business at the many touchpoints between e-mobility and the wider transition underway in society to renewable energy.
She, like Carl, was an admirer of the adventurer Charles Muntz and had a dream to travel to South America and start a Muntz fan club there, although as she grew older, while the dream never faded, she instead used whatever money she had to model her house, proving that her love for Carl was stronger than her dream.
She later joined as he went to the to rescue the survivors, finding one missing tour jeep and what little the Tyrannosaurus had left of.
During the events of Left Behind, which is set three weeks before The Last of Us, Riley returns after a long absence and tells Ellie that she has joined the Fireflies, a revolutionary militia group.
Riley abandons her Firefly pendant when Ellie pleads for her to remain, and they kiss.
As Ellie, Johnson's performances were mostly recorded using technology which produced approximately 85% of the game's animations.