Thatcher is the first born cub in Lei'luna's first litter. As the son of the pack leader, great things are expected of him. He is brave, adventurous, and full of life. He loves to help in any way that he can.
He had a younger sister named Ash, but she was killed by an eagle when they were very young. Thatcher was very close to her, and he will always miss her.
Thatcher and Lyr are best friends. He sees Lyr as a younger brother even though they are the same age, and after what happened to Ash, he is extremely protective of Lyr.