A cunning and snobbish priest with a soft-spoken demeanor, sponsoring the BBs, he seeks to advance in society by exposing the falsehoods of the church teachings while maintaining a small-time crook persona.

A rust digger in the BBs and Flemy's younger brother, he's dubbed a "mood maker" by Ana despite his average skills, showcasing a surprisingly resilient constitution as he consistently narrowly escapes fatal injuries due to his reckless behavior.

A skilled rust digger in the BBs and Paul's older brother, he serves as the team's astute explorer, balancing a light-hearted demeanor with a sensible approach to rust digging, occasionally at odds with Paul's recklessness.

A veteran rust digger in the BBs, the eldest member known for her prowess in combat and described as the team's protector by Anna, she possesses a commanding presence yet refrains from aggression, joining the exploration of Smokestack Mountain for personal motives, often intervening to curb the reckless behavior of Paul and Wrex.

The youngest member of the BBs, possessing a natural affinity for junk and an ability to hear its "voice," she's hailed by Anna as a skilled technician with a high talent for repairing and drafting blueprints, although her intense passion for junk occasionally leads to irrational behavior.

Barkeep at the town pub. Folk confide their problems in him, and Stamp provides the solution.

Miserly owner of the parts shop. He can handle parts that are outside of Stamp's abilities.

Waitress at the diner. She does her best to mediate any problems among the townsfolk.

Shopkeeper at the general store. Small and curious, she sells useful items to Stamp.

A priest working at the church in Brass Village, overseeing the local parish. An old friend of Stamp, having a long and complicated history. Despite being a priest, he is somewhat worldly, often sharing his extensive knowledge based on the amount of donations he receives.