Police statewide want to catch the man. He is described as a black male with a light complexion, standing 6 foot 4 inches tall to 6 foot 7 inches tall and weighing about 300 pounds. He wears a distinctive cabby style hat and wears a plaid shirt.
He uses day-passes to get into the club, and then steals people's stuff out of their lockers.
So far, he's struck gyms in Walnut Creek, Vacaville, Corte Madera, and Fullerton.
Anyone with information is asked to call the Walnut Creek Police at (925) 256-3577 or Twin Cities Police at (415) 927-5176.