Häckner was born in Nol, Ale Municipality and raised in Gårdsten, Angered, a suburb of Gothenburg.

He met up with Max Milton, who became his mentor and influenced his artistic direction.

While Häckner was still in upper secondary school he studied economics and when he finished, started a career as an illusionist under the name Wic Mack.

Also in 1996 he was listed as Sweden's sexiest man alive.

In 2009/10 Häckner starred in La Clique at the Roundhouse in Camden, London, England.