Life at the Walmart in Mobile, Ala., is pretty eventful, at least according to comedian Truett Beasley, better known as Killer Beaz. He brought his down-home Southern humor to the Park Theater on Tuesday night to the amusement of a sell-out crowd.“Our Walmart is one of those super Walmarts,” said Killer Beaz. “It’s so big, it’s one of those Walmarts that has its own healthcare clinic.