The article was originally published on https://sfist.com/2025/10/31/led-disco-dinosaur-doloresaurus-revving-up-to-roar-for-halloween/Here’s one costume that goes paleo for Halloween, and the entire year, as the fifteen-foot-long glowing LED dinosaur “Doloresaurus” roars, plays music, and tricera-tops all the other costumes in town. There will be 41 car-free streets in San Francisco this evening for the Halloween trick-or-treat festivities. The one you choose just might get a visit from the famed lit-up aqua-green LED dinosaur Doloresaurus, who just received a ‘glowing’ profile on KPIX seen below, where we meet the man behind (actually, inside) the dinosaur suit, SF attorney Trevor Mead.

The “bones” of the Doloresaurus are made from laser-cut PVC, while the skin is foam with LED lights

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