Don is in 3rd year of high school. He is a man proud of his strength. Like Alessio, He did not like Ueki. He has a lot of Zai that have to do with physical strength. He boasts about guide Robert to the victory with his strength. He can break a rock with his hands and he once easily defeated Ueki but is defeated by Ueki who was training in the awakening chamber.
His power is the power to turn rings into rockets.