Age: Late 20s - early 30s
Birthday: 10 February (The Castle of Cagliostro)
Height: 179 cm
Weight: 63 kg

Lupin III is the grandson of Arsène Lupin. He is the world's most wanted thief. Often in his adventures, he takes it upon himself and his gang to foil other criminals engaged in more serious crimes. He sometimes appears incompetent, but mostly as a charade to catch his opponents off guard. While he has been arrested and thrown in jail on several occasions, he has always managed to break out. His infatuation with Fujiko Mine is perhaps his biggest weakness, as it often lands him in undesirable situations.

In Monkey Punch's original manga, Lupin is cocky, quite crude, and for the most part remorseless. He is very much the ladies' man, often using them for his own gains, and is not beyond forcing himself upon women who resist him. This is in stark contrast to his better-known anime self, who although a skilled thief, occasionally comes off as a chivalrous goofball who enjoys helping those less fortunate than he. Furthermore, Lupin often takes it upon himself and his gang to stop criminals engaged in more violent crimes and leave them for Zenigata to arrest. In the anime, while he fancies himself a Casanova, his actual success with women is erratic, appearing to fluctuate with the writer.

Even though his gang's loyalty has been an issue, with Fujiko willing to betray and cohort Goemon promising to eventually kill him, Lupin will still drop everything to come to their aid in a helpless moment; further the team would rather face torture than to betray Lupin (or he betray them) to a third party. This rule of loyalty curiously extends as well to Inspector Zenigata, whom Lupin considers a respected friend and opposition. The Inspector reciprocates this regard and out of gratitude has vowed never to attempt to kill Lupin. Lupin's vendetta against the Tarantula Gang in In Memory of the Walther P-38 was partly settling of past betrayal and mostly vengeful payback for their shooting and nearly killing Zenigata.

It seems Lupin loves to steal more than actually having the treasure he sought. Lupin relishes more in the challenge of stealing and, as long as he succeeds in the heist, is usually not that upset when he ends up empty-handed; there have been times he has lost the object or intentionally thrown it away. There have also been times when Lupin stole an object only to give it to someone else, such as if it rightfully belonged to them or they needed it more than he did.

When not involved in criminal activities, Lupin usually spends his time dating beautiful girls, fishing, race car driving, attending formal dinners, playing pool, casino gambling, and participating in café society. His favorite foods seem to be mostly French cuisine, sushi, and seafood; when on a job he may settle with ramen noodles. In Lupin the Third Part V, he is shown with an affection for galettes. He also smokes cigarettes and occasionally cigars and kreteks; in the manga, he's seen smoking a briar pipe. His preferred cigarette is the famous French brand Gitanes. Lupin is a celebrated race car driver, competing in several international events when time allows. He's also a skilled sleight of hand artist who loves to befuddle his opponents with various gimmicks: i.e., a cigarette which explodes into confetti, a gun with a spring-loaded boxing glove that clobbers the shooter, and bubble gum that becomes plastique after brief chewing.

(Source: Wikipedia, Lupin III Wiki)