Felix's Party

Felix is the main playable character of Golden Sun: The Lost Age. Taking place immediately after the events of the first game, Felix is joined by his sister Jenna, the mercury adept Piers, and the wind adept Sheba in their quest to stop Isaac from lighting the rest of the lighthouses.

Party Members

Felix

Sheba

Jenna

Piers

Comparison of Isaac and Felix's parties

https://gamefaqs.gamespot.com/boards/561356-golden-sun-the-lost-age/57000302