In 'The Walking Dead', what weapon does Negan carry, named Lucille?

In 'Stranger Things', which character is kidnapped by the Demogorgon in Season 1? In 'Stranger Things', which actor plays police chief Jim Hopper? In 'Stranger Things', in which decade is the series set? In 'The Walking Dead', which crossbow-wielding character became a fan favorite? In 'The Walking Dead', which character wields a katana? In 'Lost', what are the numbers that recur throughout the series? In 'The X-Files', what is Fox Mulder's famous poster slogan? In 'Friends', what is the name of the character who famously says "How you doin'?"