Soft,caring,has low self-esteem,wants someone to depend on,religious,sensitive,depressed and paranoid,anxious maybe. Has only one friend(at least,for now),Cesar Torres.Cesar used to be a nice and mature guy,but after he got controlled by an alternate,he slowly became toxic and manipulative,he used Mark's trust to emotionally abuse and manipulate Mark many times.Mark forgave him because Cesar is still his 'best',and only 'friend'.He secretly has depression due to Cesar's toxic behavior.