Jet Black

ジェット・ブラック

Jet, known on his home satellite as the "Black Dog" for his tenacity, is a 36-year-old former cop from Ganymede (a Jovian satellite) and acts as [Spike](https://anilist.co/character/1/Spiegel-Spike)'s foil during the series. Physically, Jet is very tall with a muscular build. He wears a beard with no mustache, and is completely bald save for the back of his head. Spike acts lazy and uninterested, whereas Jet is hard working and a jack-of-all-trades. Jet was once an investigator in the Inter Solar System Police (ISSP) for many years until he lost his arm in an investigation that went awry...