Who is Teek and Koona

Teek is a faithful husky sled dog, acquired with Koona by Francois and Perrault. Buck quickly trains Teek how to pull the sled. Koona is added to the team along with Teek, Koona is also a faithful husky, quickly trained by Buck. Starving to death and tired, Koona collapses along the trail because of Hal's cruel mistreatment. Koona is probably axed in the head to end his suffering, just as Billee had been the day before.