The Grim-the wolf of vengance

Name: It used to be Hackels but because of what he did he calls himself The Grim
Pelt colour: used to be pure white but now is soaked red with his sister's blood
Eye colour: used to be blue but now they are red
Personality: very, very angry with himself because he killed his sister. Most of the time he avoids other wolves but he is open for anyone who can help him
History: His mother is Nara. The queen of the large loner group called the Nara clan. He has one sister named Shadow that he killed by accident and now he seeks revenge with himself.
Wolves he knows: Shadow, his sister, Eagle and Lakota, 2 wolves from the Nara clan, his mother, Nara and his father who was killed by a hunter named Silverclaw
Gender: male
Mate: none
Pups: none