All around the world, Гойков (Гойков , Gojkov ) is an extremely rare unknown gender first name. Much more frequently, Гойков is the last name as well as the forename.
Goikov, and Goykov
Петр
, Gojkov 
) is an extremely rare unknown gender first name. Much more frequently, Гойков is the last name as well as the forename.