World Veteran surfer Marcio Freire, featured in ‘Mad Dog’ documentary, dies riding waves in Portugal January 6, 2023 Natalie Neysa Alund, USA TODAY Comments Off on Veteran surfer Marcio Freire, featured in ‘Mad Dog’ documentary, dies riding waves in Portugal Marcio Freire was one of the three Brazilian surfers who became known as the "Mad Dogs" after conquering the giant wave "Jaws" in Hawaii.