Willie Hantz

"Big Brother" troublemaker Willie Hantz claims he's no drunk driver ... insisting he was merely sitting in the driver's seat with the car running when he was confronted by police this morning. A short time after he was released from jail following his drunk driving arrest in Louisiana, the reality…

1:40 PM PT -- Willie has been released from custody on $750 bond. Willie's brother, Russell, has since tweeted a CONGRATULATORY message to Willie ... writing, "Youre not famous until you have a mug shot congrats Willie @HantzBB lol"11:17 AM PT -- The Lafayette City Police Department tells TMZ ...…