In 'Friends', what is the name of the character who famously says "How you doin'?"

In 'The Walking Dead', what weapon does Negan carry, named Lucille? 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 does Rachel name her baby with Ross? In 'Friends', where do Ross and Rachel get drunkenly married? In 'Friends', where does Ross marry Emily? In 'The Office' (U.S.), what is the name of Dwight's paper company rival that Michael starts?