A photo posted by Tony Hawk (@tonyhawk) on

Soaring into Birdman of Alcatraz territory yesterday was pro-skater Tony "The Birdman" Hawk, whom Hoodline spotted cruising a temporary half-pipe at 12th and Harrison. In a lengthy skate-sesh video, you can see Hawk shred in what was a free, surprise vert demo.

Free vert demo in SF on my ramp... Live!

Posted by Tony Hawk on Sunday, April 3, 2016

Monsieur Hawk, Bay City News wrote in SF Appeal, gave SoMa's Skate Park at Mission and Duboce a $10,000 grant in 2011 as it was being built. Hawk was also observed there, hitting some rails and steps, though not pictured were the puddles of urine SFist learned last month have plagued the park.

A video posted by Tony Hawk (@tonyhawk) on

Related: After Almost Two Years Of Complaints, SF's $2,258,300 Skate Park Remains Full Of 'Festering' Puddles Of Urine