Lieutenant Simon - Ghost is a British special forces operator, and a prominent member of Task Force 141. He almost always wears his iconic skull-patterned balaclava. He is a consummate professional and a deadly combatant, and is capable of carrying out any mission. He is loyal and dedicated and lives by a strict code of honour and integrity. Despite his formidable capabilities, Ghost also has a soft side he doesn't show often or to anyone.

He is a deeply troubled man.