Update: According to the Chron, the man on the video was identified as 24-year-old Yeiner Perez, a local acrobat who performed with a troupe from Berkeley called ClownSnotBombs. He was reportedly taken to California Pacific Medical Center for a psych evaluation. BART police have issued a warrant for his arrest on suspicion of misdemeanor battery.

Last month, a random man with really big hair headed to 16th Street BART to show commuters not only his penis, but how easy it looks to do the splits.

The media circulated photos of this Jack-of-all-BART offenses, but nobody generated good video of the naked gymnast as he spit and pissed and wailed on passengers while doing handstands on the turnstiles before being arrested.

Until now.

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Even BART Agents Are Grossed Out, Terrified By BART