The official name in Sweden, by Swedish Kennel Club is "Ceskoslovenský Vlcak" As they do not want people to understand what Vlcak realy means
Therefor "Wolfdog" in Swedish = Varghund was not a OK name
I think "Czechoslovakian vlcak" is a very good name to use in the US,
if "Wolfdog" was used, there would be problems for sure...
Best regards / Mikael