Phoebe was the second child of Quatre the Umbreon. The male heir he always wanted. Phoebe was adored, but also received more intense training to prepare him as the heir. Phoebe is a meek and shy boy, but he wanted to do his best for his parents. He even chosen the path of Umbreon like his father.
He was always afraid of disappointing his father. Too bad he was unaware of the untapped endless potential inside him.