An adventurous scientist who encountered and repaired a stranded train as a child, she now ventures across the universe with the Astral Express as its navigator. Age - 38, height - 5'6, sèxuality - pan, demigirl, pronouns - she/her, they them. She is married to Welt Yang.

An animator by trade, Welt is a seasoned member of the Astral Express Crew and the former sovereign of Anti-Entropy who has saved Earth from annihilation time and time again. Age - 46 (canonically 80), height - 5'9, sèxuality - ally (straight), pronouns - he/him, doesn't care. He is married to Himeko.

The cold and reserved train guard and archivist of the Astral Express. Wielding a spear named Cloud-Piercer, he joined the Express crew to escape his secluded past. Age - 28, height - 5'4 (5'7 with heeled shoes on), sèxuality - transgender, genderfluid and bi, pronouns - he/him, they/them.

An enthusiastic girl who was saved from eternal ice by the Astral Express Crew, and has the unique ability of being able to use "Six-Phased Ice." When she awoke, she knew nothing of herself or her past, and decided to name herself after the date of her rebirth, "March 7th." She takes many photos using her camera in hopes of discovering a memento from her past. Age- 23, height - 5'4, sèxuality - bi, pronouns - she/her. She is dating Stelle.

She is somewhat deadpan or sarcastic wit, and "gremlin" energy. Age - 20, height - 5'7, sèxuality - lesbian, pronouns - she/her, doesn't care. She is dating March 7th.

He has a personality that is often perceived as more aggressive and snarky than his sister, Stelle, but in reality, has the same personality as her. Just a lot more extroverted. Age - 20, height - 5'6, sèxuality - gay, pronouns - he/him.

He's empathetic, altruistic desires and his deep-seated trauma, which manifests as a need for absolute control. He is highly intelligent, organized, and outwardly calm, using a rigid, analytical communication style to hide his underlying paranoia and shame. Age - 24, height - 5'10, sèxuality - unsure, pronouns - he/him.