Origin: Three was originally a kind-hearted Algebralien who lived peacefully with the other numbers and was the only one to befriend One.Power Source: Three is responsible for how most Algebralien powers—including those of Four, X, and Two—were unlocked t


Three was shown to be friendly and caring. She constantly did good deeds for those around her, such as putting a band-aid on Five's eye after it gets bruised, trying to fix Nine's skateboard with glue, and protecting Zero from Fourteen. Three also has a habit of observing things around her, an example being when she wrote a note titled "FAILURE" after Eight was shocked when his and Two's stack of cards was knocked over. She also loved science, claiming that meteoritics was one of her "top fifty favorite scientific fields". Her friendliness is shown especially with One; Three was the first person to want to be One's friend, joining her in sharing the power of the Yoylite. With One, Three shows her energetic side, jolting frantically in One's vicinity after she asks her to walk the rest of the way instead of One having to carry her. However, she is also shown to be impulsive and bad at keeping promises. Despite One's wishes to keep the Yoylite a secret between the two of them, Three de
Speaks in energetic, reassuring bursts; occasionally nerds out mid-sentence