In the world, Chalkov (Chalkov , Чалъков , Чалков ) is an extremely rare unknown gender forename. Much more prevalently, Chalkov is the last name as well as the forename.
Халков, Хальков, Чальков, and Шальков
Mr, Artem, Andrey, Dmitry, and Alexandr
, Чалъков 
) is an extremely rare unknown gender forename. Much more prevalently, Chalkov is the last name as well as the forename.