Master thief and gang leader who relentlessly pursues ancient treasures and historical secrets across multiple international heists. Known for his cunning disguises, romantic entanglements with Fujiko Mine, and ability to outsmart both criminal syndicates and Interpol. He frequently collaborates with Jigen and Goemon, often prioritizing personal desire and curiosity over strict criminal profit, while maintaining a complex, adversarial yet mutually respectful rivalry with Inspector Zenigata.