' and ' (also known as ) are the names of Vishnu which mean Cowherd and Protector of Cows. These names are also popularly addressed to Krishna, referring to his youthful activity as a cowherd boy. This name appears as the 187th and the 539th name of Lord Vishnu in Vishnu Sahasranama. Lord Vishnu or his complete incarnation Krishna are regarded as the Supreme God in the Vaishnava tradition and also by much of the pan-Hindu tradition.