All astronauts have to learn how to speak Russian, and all cosmonauts have to learn how to speak English.
All US astronauts are required to learn Russian as part of their extensive training, and have to be able to run the ISS using Russian-language training manuals if necessary.
The name Panos is a common Greek name, but it will make any Russian chuckle when they hear it. “Panos” is Russian for diarrhea.
Russians have a word “Zapoi” to describe several days of continuous drunkenness during which one withdraws from society.
The Russian word for “sock” is “no sock”.