Issac- Lak (The leader of the group and powerfull Earth adept (or venus adept)) starting class Squire
Garet- Wolf ((or me) Best friend of Issac and powerfull fire adept (or Mars adept)) starting class Guard
Ivan- Ij (The determent servent of a master merchant whome he is trying to return a staff to he is a powerfull wind adept (or jupiter adept)) Starting class Wind seer
Mia- Darky (The healer of the group Mia is one of the last of the mercury clan who protected the mercury lighthouse from being lit she is a water adept (or if you didn't guess Mercury Adept)) Starting class Water seer
here is a link to a golden sun wiki with the class information to go over I would like you all to examine classes and chose the one you like best though with what im going to do you may have to change your class due to lack of Djinn there are only 7 of each element this game and you can only have 7 Djinn each person.
http://goldensun.wikia.com/wiki/Category:Class_seriesIssac- Dragoon 3 Mercury Djinn and 3 Mars Djinn
Garet- Samurai 4 venus Djinn and 3 Jupiter Djinn
Ivan- Ranger 3 Mars Djinn and 3 Mercury Djinn
Mia- white mage 4 Jupiter Djinn and 3 Venus Djinn