Old, crusty, likes children, can't finish his sentences (Joke)

CHILDREN...

When awake he is pretty scared and insecure but when the sleep takes over he is focused and has no fear of death. 

Thunderclap and flash

Giyu has a stoic and emotionless disposition. He almost always has an unbothered expression on his face. He has a very strong sense of justice and no tolerance to people who don't know their limitations and people who throw their lives away. He usually doesn't show much emotion for people but for some reason you hit a soft spot.