Emil Castagnier (エミル・キャスタニエ Emiru Kyasutanie?) is the main protagonist of Tales of Symphonia: Dawn of the New World.
A boy living in Luin after the Blood Purge in Palmacosta six months ago. Although weak and cowardly, he bears a deep hatred toward Lloyd for killing his parents, and is the only one in Luin who does not admire Lloyd. After a failed attempt to help Marta, he agrees to become a Knight of Ratatosk in order to protect her.