Answer
Jess Mariano, portrayed by Milo Ventimiglia, is a brooding and rebellious teenager who arrives in Stars Hollow to live with his estranged father. He quickly becomes a love interest for Rory Gilmore, the show's protagonist, challenging her intellectually and emotionally while navigating his own personal struggles and insecurities. Milo's portrayal of Jess brought depth and complexity to the character, making him a fan favorite despite his often-abrasive demeanor.