Giriko

Giriko is an enchanter and demon weapon allied with the witch Arachne Gorgon, and serves as one of Arachnophobia's most powerful members.

Manga:

After the destruction of Arachnophobia, he allies with Noah and becomes part of his group in an effort to avenge Arachne's demise.

Within the Book of Eibon he badly injures both Maka and Soul as revenge for their killing of Arachne, deciding to kill Maka by strangling her before his new body undergoes soul rejection, causing his soul to explode due to the vessel being unable to contain his centuries of bloodlust.