Yugo Amaril

Yugo Amaril' was born in the sector of Dahl, Trantor. He knew Hari Seldon when he went to the Dahl sector. Since then, they were good friends and Yugo was the right hand of Hari when developing the Psycohistory.

Yugo was characterizes because of his loneliness. He dedicated all his life to the psycohistory, so that he was not married nor had children. It caused his appeareance to seem older that Hari´s.

Prelude to Foundation
Yugo met Hari Seldon when he went to the Dahl Sector with Dors.