|Series||Life with Lamarr|
|First appearance||The Thief of Manhood|
|Appearances|| Book Two: The Free Children's Commune|
Book Four: The House of Longfigger
Gordon was a theoretical physicist at Black Mesa, he took a level in badass and has since been revered as a hero. However after an incident involving Triple-H he fell into a coma from which he is yet to awake.
Book Two: The Free Children's CommuneEdit
He spent the entire time in a coma, locked in Eli's secret room. When Dr. Kleiner, Barney and Alyx flee the Free Children's Commune, they take him with them under Alyx's instructions. Later Alyx heads off to City 17, Gordon in tow, to start a normal life.
Book Four: The House of LongfiggerEdit
He is living with Alyx in City 17 though still in a coma. In order to simulate some sort of relationship between the two, Alyx propped him up in front of a TV, pretends to do stuff for him and imagines he ignores her and that he gets jealous when she is out.