last name--russian

Answer 1

Usually Goga is a Georgian diminutive name. Maybe you can find some information on Russian names here: www.russian-translation-pros.com/russian-translation-russia-men-names.html

I hope it helps you.

Answer 2

As far as I know, these names are not of Russian origin. The second name (Gherman - Герман) is rarely encountered these days; it is of German origin, namely: Hermann. Although, if by "Goga" you meant "Gosha" then it definitely sounds Russian. Gosha (also referred to as "Grisha") is an abbreviated form of Gregory (might be George in English).