The man who identifies himself as Twiggy Palmrock was tackled from the stage after Tony Abbott’s victory speech is a serial pest who has twice before gatecrashed private political events.

The 25-year-old University of Melbourne playwright Fregmonto Stokes, last November wandered on stage with another coal protester as Abbott addressed a Securing the Future conference. Stokes and Dominic O’Dwyer wandered on to stage in song as mining magnate character Twiggy and made-up young Liberal Michael Higgins-Beaumont at the November event at Melbourne University.

Abbott was unfazed and told the crowd it appeared university humour had not changed since he was a student. The duo also walked, unchallenged, into an invite-only Committee of Economic Development of Australia event at Melbourne’s Hilton Hotel to disrupt an address by former Energy Minister Martin Ferguson.

And they were part of a group of 13 anti-coal activists who locked themselves onto the pillars of the Victorian parliament building last year.