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SAN FRANCISCO ( KPIX ) -- In a cramped garage right across from San Francisco's Dolores Park, something prehistoric has emerged.

"It looks like it's good to go," Trevor Mead said, making a final check before his latest transformation.

For the past three years, Mead, a San Francisco lawyer and artist, has been working on a monster of a project. He flips a switch, steps inside, adjusts the controls — and just like that, the creature comes to life.

Meet the Doloresaurus, a seven-foot-tall, fifteen-foot-long glowing dinosaur on a mission to light up people's lives. About once a week, he roams the neighborhood, stomping his way into people's hearts.

"That is the best Halloween costume I've ever seen," said local Stephanie Gladney.

"Only in San Franci

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