All around the world, シャク (シャク , Schack ) is an extremely rare boy's first name. Much more prevalently, シャク is the last name as well as the forename.
Shak, Shaku, Шак, 夏克, 沙克, and 釈
トモコ
, Schack 
) is an extremely rare boy's first name. Much more prevalently, シャク is the last name as well as the forename.