|“||Don't worry, Ponyo. No matter what, I will protect you. I promise. - Sōsuke promises that he will protect Ponyo||”|
Sosuke is intelligent, smart, loyal, cute and heroic. He is willing to protect his friends (including Ponyo starting from when she washes up on the shore near the house), even if doing so would get him in trouble with his mother or Ponyo's father (whom they hate). He is interested in the sea, especially since his father, Koichi is the captain of the ship. He also knows that Koichi does his best for the family as seen when Lisa gets angry at Koichi and chides him for abandoning her family on a cliff.
Sosuke is a 5-year-old boy who wears a yellow t-shirt and brown shorts. His hair is dark brown with his hair shaven underneath. Also, he wears a sailor hat and binoculars.
Role in the film
Sosuke is first seen when Lisa calls Sosuke come back home and he discovers Ponyo.
Sosuke is a 5-year-old boy and loves Ponyo in her human form.
Behind by Voices
Sosuke uses his Toy boat and green bucket until Ponyo come back her human form with a sailor hat and binoculars.