Actually that is inaccirate. Lupin the third came out in the late 50's early 60's waaay before Cowboy bebop. He is the sharp shooter with the lowered fedora.
"Alla Jigen" (from Italian, translation "Jigen style"):
to smoke a crumpled cigarette;
having a crumpled cigarette hanging from the corner of one's mouth;
Lupin the 3rd and his friend Jigen first saw the light in 1967.
Pretty much a slang word for folks who make a career of feeding off The Public Trough. This word is often used in Public Housing and Section 8 Strongholds as well as the Social Security Office.
Scar: My name is Jugenmujugenmugokonosurike kaiaiusugesugematsufunfaimatsufunraimatsukurune tokoronisumiyapparikojiyappankoji baibobaibobaiboshuringashuringanugurindai guindainobomboribombonanojoukyuumechousuke!