Cicero's son

"Come on Dad, you feel like you're in the barrel today."

In It's Half life, Dr. Cicero apparently has a son who works as a Save Guard at the Mesa Black Research Center. Very little is known about him, though the baby picture in Cicero's locker may be of him. He prevents Cicero from going through the door if he is not donning his HEV-4 Memorial Suit, muttering something about the "government wearing clothes forbidden without risk." Once Cicero comes to the door with the suit on, Cicero's son calls him "dad" and states that Cicero feels like he's in the barrel. Tragically, it appears that Cicero's son died shortly after the With invasion transpired, as his corpse can be seen in the door that he was originally guarding.