Isaac

Isaac is the silent main protagonist and party leader of . He gains a speaking role in . He is a playable newcomer starter character in Super Smash Flash 2.

Character description
In the original Golden Sun, he is the character the player takes control of throughout most of the game. He is the party leader in Golden Sun and is a classified in-game as a Venus Adapt. This means he has the ability to manipulate earth-based forces such as the ground and plants. Isaac is on a quest to pursue Saturos and Menardi after they raid sacred mountain shrine Mt. Aleph and steal elemental jewels that will unleash the force of Alchemy upon the world of Weyard.

In Golden Sun: The Lost Age, Isaac facing off against Karst and Agaito who are trying to avenge the death of their clan mates Saturos and Menardi. He finds out that Alchemy is needed for the world to survive so he teams up with Felix to restore the Alchemy to Weyard.

In Super Smash Flash 2
Isaac has become a playable character in Super Smash Flash 2 since the Beta version. He was revealed as a teaser during the McLeodGaming Direct on July 21, 2014. His sprite design is inspired by his appearance in Super Smash Bros. Brawl, but it is a whole new design as of 2021; which is inspired in Super Smash Bros. Ultimate. He has a custom voice provided by Darcy Maguire instead of using voice clips from his games, like other characters have. His moveset consists mostly of psynergy spells, with little sword-based attacks.

Trivia

 * Though he is not playable in the Super Smash Bros. series, he is one of eight characters in the  series to later have a costume for Mii Fighters based on him in Super Smash Bros. Ultimate. He shares this distinction with Chibi-Robo, Bomberman, Tails, Knuckles, Mega Man X, Zero, and Lloyd.
 * Isaac also appears in Super Smash Bros. Brawl and Super Smash Bros. Ultimate as an Assist Trophy, making him one of seven characters in the SSF series to later appear as Assist Trophies in the official games. He shares this distinction with Waluigi, Krystal, Bomberman, Knuckles, Shadow, and Zero.