Dr. Chet Walker: It would answer the riddle, wouldn't it? Remote-controlled creatures, their brains powered by atomic energy, roaming the streets, directed from a central point. Dr. Chet Walker: This so-called blood is radioactive! Capt. Dave Harris: Dangerously so? Dr. Chet Walker: Plus 9! Frank Buchanan: Steigg, you may be a crackpot, but you're also a genius. Penny Walker: [about her new doll] I'm going to call her Dave. Dr. Chet Walker: Dave? Dave's a boy's name, that's a girl doll. Penny Walker: I don't care... I know, I'll tell all my friends she's a tomboy.