A member of the Fifth Column and a friend to Willie and Howard,it is possible that because he was friends with howard he caused howard to have smpathies for the fifth column . During the Second Invasion, he survived Diana's purge of Fifth Column members and served as Willie's contact in the fleet, giving information whenever he could but these acts left him paranoid of being followed by Diana's spies. He met Willie at an abandoned building,on the stairs, to warn him of an imminent arrival of weapons to a secret location in the Open City of Los Angeles. Simon's fears of being followed prove to be warranted when two troopers arrive and open fire After telling willie that charles was bringing weapons into the open city. Willie is injured and escapes while Simon is killed by two shocktroopers who enter the building. when howard learned of his death he was very upset.