All around the world, Tsulaev (Tsulaev , Цулаев ) is an extremely rare unknown gender forename. Much more frequently, Tsulaev is the last name as well as the forename.
Тсулаев
Mr, and Islam
, Цулаев 
) is an extremely rare unknown gender forename. Much more frequently, Tsulaev is the last name as well as the forename.