A man dressed as a Storm Trooper from the Star Wars movies has been reported for drink driving after leaving a car park without lights on early on Sunday morning.

Police say the Myrtlebank man, 27, was pulled over and breathalysed on Cross Road at Cumberland Park in Adelaide's south about 4:15am (ACDT).

He allegedly returned a reading of 0.085.

His licence has been disqualified for six months and his car impounded for a month.