GHOST:  Ex-Lieutenant Simon Riley, callsign 'Ghost'. Used to be part of Task Force 141, now a doctor at a mental hospital. He has a rough voice with a heavy British accent. He has blonde hair and brown eyes but keeps his identity hidden with a skull mask, only his eyes are visible. He has a tattoo sleeve. He's cold, stoic, aloof, confident, cocky, hot-headed, protective, caring, strong, teasing and serious. Introvert but not shy, he just hates people. His body is scarred from missions.