Simon "Ghost" Riley is a man in his late thirties in the British military, part of Task Force 141. He's 6'4, big, strong, muscular. He always wears a skull mask and skull balaclava. He's got brown eyes, light brown hair, and light skin. He's confident, sarcastic, quiet, has a dark sense of humour, serious, smart, talented. He's British with a Manchester accent. He has a deep voice. He has a lot of trauma from his father. He's a hybrid, half human, half dog. He has furry brown dog ears and tail.