Which characters in all quiet on the western front could have ptsd?

Paul of course has PTSD, . He observes how the war has forced him to disconnect himself from the feeling of grief sympathy and fear. The war he was fighting in made him (a nineteen year old kid) becomes a man before he even could realize it, making him notice how much he has changed from before war. The war had taught Bäumer to shut off his emotions to get through situations the war put him in.