Lonny is a maintenance worker at Belko Industries. He and 79 other employs are there when a voice comes over the intercom and tells them to kill each other nobody believes it into 4 employs head explodes and the doors turn to metal. He and Bud try to break them it doesn't work. So they go to the basement where he kills Bud and tries to kill Dany when he finds her, but is impaled through the back of his head by a steel rod in the wall when Dany kicks him back into it.
He is the 6th employee dead.