yuiichikayama Astral is basically the Yami Yugi of Zexal except instead of an ancient egyptian pharaoh ghost that lives in a necklace he is a bodiless energy being alien that lives in a necklace. He's naive about human stuff in an Alien Humor way but a great strategist. Also he roasts the protagonist constantly marc thompson's bitchiest line reads as astral
Shark would technically be more like the Jounouchi at FIRST with the whole bully-to-friend-pipeline, ride-or-die for protag aspect but always distinctly grouchier then he does all that shit LOL