Frank and Joe Hardy were the principle characters in the Hardy Boys series, which were geared at kids and teens. The series started in 1927 and ended in 2005.
The first names of the fictional Hardy boys were Frank and Joe. The characters were created in 1927 by Edward Stratemeyer. Their detective work have been the subject of many books and TV seriers over the years.
The elder Hardy brother is named Frank, and the younger Hardy brother is named Joe. They live with their father Fenton, their mother Laura and their aunt Gertrude.