Jeffrey Lebowski—or, as he preferred to be called, The Dude, His Dudeness, or El Duderino—was born December 4, 1942, and by 1990, he was an unemployed 47-year old drug-using Los Angelino. An avid bowler, he was a friend and teammate of Walter Sobchak and Donny Kerabatsos. This article is a . You can help My English Wiki by expanding it.