Alan Green, 45, was still over the drug-drive limit when he tried to leave Creamfields Festival with his adult niece and nephew in the car, a disciplinary panel heard.
Student Jasmine Mattis, now 20, decided to smuggled drugs into Creamfields music festival to make money because she struggled to ape her former classmates' lavish lifestyles, a court heard.
Creamfields, an electronic dance music festival held in August in Cheshire has seen a surge in attendees attempting to bring in Class A drugs hidden inside their body.
Sian Bullock, 35, from Thornton Cleveleys, Lancashire smuggled the Class A drugs inside Kinder Egg containers as she made her way through security at Creamfields festival in August 2023.