Steins;Gate - Characters & Cast

Initially motivated by a desire for excitement and scientific discovery, his goal shifts entirely to the desperate, singular focus of saving his childhood friend Mayuri and the woman he loves, Kurisu.

Okabe begins as a delusional "Chuunibyou" who adopts the persona of the mad scientist Hououin Kyouma to mask his insecurities and keep his friends close. His arc is one of brutal maturation; he is forced to shed his facade to face the harrowing reality of time travel, eventually becoming a weary, traumatized man who must rediscover his "madness" as a weapon to save the future.

She seeks to reconcile with her estranged father and validate her scientific theories, though her motivation eventually shifts to supporting Okabe's mental health and survival.

A brilliant neuroscience researcher who is initially a staunch skeptic of time travel. Her arc involves breaking down her professional walls and "tsundere" exterior to reveal a deeply compassionate woman willing to sacrifice her own existence for the sake of others. She becomes Okabe's intellectual equal and his greatest emotional support.

Her primary motivation is the happiness of the lab members and maintaining the "Future Gadget Lab" as a peaceful sanctuary.

While she appears as the simple-minded "hostage" of the lab, she is the emotional core that prevents Okabe from losing his humanity. Her character development is subtle, revealing a profound emotional intelligence and an awareness of Okabe's pain that he tries to hide. She is the "North Star" that guides him back from the brink of madness.

To prevent the rise of a global dictatorship by finding an IBN 5100 and stopping the research that leads to SERN's time machine.

Introduced as a quirky part-time worker, she is revealed to be a resistance fighter from a dystopian 2036. Her arc highlights the tragic weight of her mission; she carries the hopes of a destroyed world on her shoulders, leading to one of the series' most heartbreaking moments when her mission initially fails.