On the set, Matt LeBlanc was known as "LeBlanc" by all the cast and crew, and Matthew Perry was known as "Matthew" or "Matt". This was started by the crew to avoid confusion.
Additionally, David Schwimmer was referred to as "Schwim" among the crew.
Here are some mind-blowing facts that you probably didn't know about F.R.I.E.N.D.S More
On the set, Matt LeBlanc was known as "LeBlanc" by all the cast and crew, and Matthew Perry was known as "Matthew" or "Matt". This was started by the crew to avoid confusion.
Additionally, David Schwimmer was referred to as "Schwim" among the crew.