Determining which HouseGuest just wouldn't die. Based on who the HoH's intended targets were, based on info from Big Brother Wiki.
Week 1: Cody's intended target was MEGAN then PAUL then CHRISTMAS.
Week 2: Paul's intended target was CODY.
Week 3: Alex's intended target was DOMINIQUE.
Week 4: Jessica's intended target was JOSH.
Week 5: Paul's intended target was CODY.
Week 6: Josh's intended target was ELENA then JESSICA.
Week 7: Alex's intended target was CODY.
Week 7, DE: Jason's intended targets were ELENA or MARK.
Week 8: Christmas's intended target was MARK.
Week 9: Jason's intended targets were MATT or RAVEN.
Week 10: Christmas's intended target was JASON.
Week 10, Pt. 2: Alex's intended target was KEVIN.
Week 11: Josh's intended target was ALEX.
Week 11, Pt. 2: Paul's intended target was KEVIN.
Week 12: Josh's intended target was CHRISTMAS.
Christmas, Elena, Mark, Kevin, and Cody are the only ones to be the intended target of an HoH multiple times. But Cody has been the target 3 times as compared to the others' three, making him Big Brother 19's biggest cockroach.