Lisa

"You'll do the right thing. I know it. You're only five, but you're very smart. Sometimes we take a leap. Be brave. You can do it... I love you, Sōsuke.
 * —Lisa to her son"

Lisa is the mother of Sōsuke and the wife of Kōichi in Ponyo. She is voice by Tomoko Yamaguchi

In Film
When Lisa said Sosuke came right back. Lisa started her car and she discovered the goldfish that Sosuke called Ponyo she drove Sosuke to Himawari Nursery School.

Relationship

 * Sosuke (son)
 * Koichi (husband)
 * Ponyo (extra child)

Trivia

 * Lisa is one of the few characters of Studio Ghibli films to have a name of Western origin and not Asian, and oddly has a Western name, despite the fact that she is Japanese.