The cast in the episode “The One With The Embryos,” from left, Matt Le Blanc as Joey Tribbiani, Matthew Perry as Chandler Bing, Jennifer Aniston as Rachel Green, Courteney Cox as Monica Geller ...

Before Monica and Chandler became an iconic couple on Friends, Courteney Cox’s character was supposed to end up with Matt LeBlanc’s Joey.

Whether he's insulting Chandler or Monica or telling Rachel they were on a break, Ross Geller has some of the best lines in Friends.