Pics Pics Pics Pics! All the characters you need to know
Here's all the characters and a short summary of each.

Tsukasa: The main character whom I love and dedicate this site to!!!

Mimiru: The uplifted perfectionist. She's a little loud, but very good

Bear: The old guy who wants to be a decent father, so he takes Tsukasa and Mimiru under his wing to fulfill that want.

Subaru: The head of the Crimson Knights who cares about Tsukasa and his situation and tries her best to help and comfort.

Sora: The player killer who very powerful and has interest in Tsukasa's situation.

BT: Her name actually is BLT (the bacon-lettuce-tomato american sandwich) without the L. She doens't like lettuce.

Krim: A guy who has a deep relationship with Subaru. He's pretty cool.

Aura: The strange floating sleeping girl. She has a very important role in Project .hack overall.

Maha: The cat-faced guy with no voice. Apparently, he can still talk to Tsukasa, and he guides Tsukasa through his situation.