NHL players are going to play in the Olympics for their respective countries. The NHL owners are not pleased and may not allow it in the future. They essentially have to shut the league down for a couple of weeks and risk injury to their players.
To qualify for NHL pension a player must play 400 games
the first time a black player stepped on the ice for a full Nhl game was Willie O'Ree
The NHL includes members from over 20 countries, so they don't really have any specific country advantage.
The current fattest player is Chris Pronger with the Philadelphia Flyers.
There aren't any NHL rules during the Olympics. The refs use International Hockey rules
Roy "Shrimp" Worters at 5'3" tall, the shortest player ever to play in the NHL