Henry Stickmin is the titular main protagonist of the Henry Stickmin series. He started out as an insignificant thief out to make some quick cash. After his escape from West Mesa Penitentiary, Henry's life quickly changes, and he becomes somewhat of a well-known criminal after his successful theft of the Tunisian Diamond. He is then approached by General Hubert Galeforce and Pilot Charles Calvin of The Government, who offer to drop all charges against Henry if he helps them take down the notorious Toppat Clan.

Sometime later, Henry is imprisoned in The Wall until he manages to escape/flee, either by himself, with a fellow prisoner, Ellie Rose or with "assistance" from either the Toppat Clan or Charles. After escaping from The Wall, Henry is tasked with a new objective; to defeat or help (depends on his choices) the Toppat Clan, who plan to taking themselves and their gems on a space station by rocket, and never be found, free to invade any place on Earth with ease without worry of governments trying to bring down.

More facts here: https://henrystickmin.fandom.com/wiki/Henry_Stickmin