Mint

 is a stranger visiting Sandrock. An orphan from Vega 5, Mint began working as an engineer at a young age due to his natural aptitude with it. He was originally introduced in and makes his home in the titular Portia.

Mint frequently takes naps and can often be found sleeping on a bench around town.

Biography
Outside of Sandrock, Mint has also worked on projects in other Free Cities, including Portia. He helped with the construction of the Eufaula Tunnel that connected Portia and Sandrock together.

Trivia

 * Mint's design was inspired by Kaede Rukawa from the basketball manga/anime Slam Dunk. This is why he naps a lot and, in his dialogue in, mentions he's good at basketball.