T-1000

“…but the real thing you gotta watch out for ‘round here is termites,” Gus finished.

“Termites? The place is made of metal!”

“Look here, kid,” said Gus. “Buildings made of wood get eaten up by termites, right? Well, buildings made of metal got the same problem. Different species, see?”

“But how can they chew up the metal walls?” Scooter asked. “They just got little bug teeth.”

“They done replaced ‘em with metal teeth. They’re whattayacallit, cy-bergs.” Gus cut off as heavy footfalls clanged on the floor above. He paled. “Grab the spray!” he shouted. “They done let the queen loose!”