Vargas Dyson is a supportong character who appears in Mobile Suit Gundam AGE.
History
A friend of Flit Asuno, he helped the young boy in the development of AGE-1 Gundam AGE-1 Normal, and also acts as a surrogate grandfather to Flit.
He soon became part of the Diva's crew, maintaining the mobile suits and the AGE system.
After the War of Bat Extermination Vargas lived with Emily and her family, During this time he hid the gundam in the barn on the Asuno mansion, maintaining it so that it can be ready when needed. When the Vagan began their assault of Tordia, he called Asemu to pilot the gundam and defeat the Vagan suits. He called on Asemu again when the Vagan had another assault.
He was presumably left behind on Tordia when Asemu joined the military and boarded the Diva.