Steins;Gate: Mugen Enten no Arc Light

岡部倫太郎

Rintaro Okabe (岡部 倫太郎, Okabe Rintarō), often nicknamed Okarin (オカリン), is the self-proclaimed insane mad scientist Hououin Kyouma (鳳凰院 凶真, Hōōin Kyōma). He lives in Ikebukuro with his parents, where he is neighbors with his childhood friend Mayuri Shiina, but temporarily moved into the Future Gadget Lab over the summer of 2010.

Bio from Fandom, licensed CC BY-SA

椎名まゆり

Mayuri Shiina (椎名 まゆり, Shiina Mayuri), also known as Mayushii☆, is Rintaro Okabe's childhood friend, a part-time worker at MayQueen+Nyan² and a member of the Future Gadget Laboratory. She is a fan of cute things, like the Upas from the in-universe RaiNet Kakeru series, an avid cosplay maker and a friend of Luka Urushibara and Faris NyanNyan.

Bio from Fandom, licensed CC BY-SA

阿万音鈴羽

She is in fact a time traveler from 2036 who, under the guise of John Titor, seeks to prevent SERN, at the command of the Committee of 300, from creating a Time Machine that will lead to a dystopian future. Although she is initially unaware of it, she is the daughter of Itaru Hashida and Yuki Amane.

Bio from Fandom, licensed CC BY-SA

橋田至

Itaru Hashida (橋田 至, Hashida Itaru), also known by his nickname Daru, his online handle DaSH ("Daru the Super Hacker") and Barrel Titor is an experienced hacker and a hardcore otaku, a member of the Future Gadget Laboratory and a close friend of Rintaro Okabe who eventually becomes the husband of Yuki Amane and the father of Suzuha Amane.

Bio from Fandom, licensed CC BY-SA