Thunder loves Gray Wing. He's his dad, and Thunder loves him for that. Clear Sky is his real dad, but Gray Wing raised him. Thunder had seen the hurt Gray Wing has been in when everything that happened. However, Gray Wing stayed strong, and Thunder admires him for that.
When Thunder wanted to stay with Clear Sky, it hurt Gray Wing, but the man was understanding. When Thunder wanted him, Gray Wing welcomed him with open arms. He has seen how Clear Sky has hurt Gray Wing, and that made Thunder angry. As he grew, the boy has seen the height difference between the brothers.
Gray Wing's the shortest, but not that short. He's only 5'7", Jagged Peak is 5'9", and Clear Sky is 6'2". Thunder is 6'4" and loves his dad. When Sun Flower came into Clear Sky's life, Thunder wanted to forgive his biological father, but somewhere in his heart, he can't. Clear Sky has hurt him and his dad. Sun Flower changed him, but it was too late for Thunder to want to know Clear Sky.
Gray Wing has given so much and received so little. Thunder wants to provide for Gray Wing. Violet Dawn came into Thunder's life and gave him the happiness that Thunder can ever be. He goes to Gray Wing for help, and the man pulls him into a hug and congratulates him for the joy that Thunder has in his life. Thunder kisses his dad's forehead and smiles. Gray Wing looks at him with a smile.