In all the world, Келчев (Келчев ) is an extremely rare unknown gender first name. Much more prevalently, Келчев is the last name as well as the forename.
Kelchev, and Keltchev
Иван, Емил, and Вадим
) is an extremely rare unknown gender first name. Much more prevalently, Келчев is the last name as well as the forename.