Calling someone a "Russian cosmonaut" goes against the DRY principles ;)
[1] https://en.m.wikipedia.org/wiki/Astronaut#Cosmonaut
For example —
https://en.m.wikipedia.org/wiki/Miros%C5%82aw_Hermaszewski
https://en.m.wikipedia.org/wiki/Pyotr_Klimuk
Nitpicking, "DRY" is a principle, so you probably meant to say "goes against DRY ;)"
For example —
https://en.m.wikipedia.org/wiki/Miros%C5%82aw_Hermaszewski
https://en.m.wikipedia.org/wiki/Pyotr_Klimuk