The three surfers left Maverick on shore , but he swam out to them .
With them was Matienzo 's roommate 's white - haired German Shepherd , Maverick , who was accustomed to swimming with his owner and Matienzo while they were surfing .
The three surfers left Maverick on shore , but Matienzo swam out to them .
With them was Matienzo 's roommate 's white - haired German Shepherd , Maverick , who was accustomed to swimming with his owner and Matienzo while they were surfing .