In all the world, Chvikov (Chvikov , Чвиков ) is an extremely rare unknown gender first name. Much more frequently, Chvikov is the last name as well as the forename.
Чвіков, and Швиков
Mr, and Sergey
, Чвиков 
) is an extremely rare unknown gender first name. Much more frequently, Chvikov is the last name as well as the forename.