 Maeda was fundamental to the development of Brazilian Jiu @-@ Jitsu , including through his teaching of Carlos Gracie and others of the Gracie family . He was also a promoter of Japanese emigration to Brazil . Maeda won more than 2 @,@ 000 professional fights in his career . His accomplishments led to him being called the " toughest man who ever lived " and being referred to as the father of Brazilian Jiu @-@ jitsu . 
