Grandson of the legendary thief Arsène Lupin, Lupin III embodies a charismatic yet morally ambiguous master thief, clad in his signature green jacket as he navigates the blurred line between hero and villain. His thieving expertise stems from manipulation by Tomoe, a mentor who enforced a fabricated mother-son dynamic while training him. Though initially clinging to this twisted bond, Lupin later destroys Tomoe and her criminal network when her brainwashed agents resurface, choosing justice over toxic loyalty.

Framed for Dr. Watson’s murder by Inspector Lestrade, Lupin engages in a strategic duel with Sherlock Holmes, simultaneously evading suspicion and unraveling the Raven organization’s conspiracy. This arc underscores his ability to outmaneuver legal systems through intellect and adaptability. His relationships oscillate between playful rivalry with Fujiko Mine, grudging respect for Holmes, and tension-fraught loyalty with partners Jigen and Goemon, who often question his reckless gambits.

Methodical showmanship defines his heists, merging elaborate disguises, technological improvisation, and literary homages to figures like Edogawa Ranpo and Arthur Conan Doyle. Darker arcs reveal vulnerabilities: temporary submission to Tomoe’s mind control forces Jigen to violent intervention, exposing Lupin’s capacity for ruthlessness when manipulated. Yet his core identity remains rooted in freedom, exemplified by destroying a treasure tied to his lineage to avoid ancestral constraints. The narrative cements him as a thief who thrives on reinvention, prioritizing present chaos over past legacies while balancing wit, theatricality, and moral flexibility.