Cesar is a merchant, plying his trade around the central bazaar of the Denerim Market District.
Background
A merchant, with connections to the Antivan Crows.
Involvement
He is a merchant, selling goods to the Warden. After completing the The Trial of Crows, Cesar will have a "special stock" available to the Warden.
Location
If you kill Ignacio, Cesar will permanently vanish.
Quotes
Trivia
Judging by Cesar's accent, and connections with the Antivan Crows, he is most likely from Antiva or is Antivan.