He appears prominently in Boiardo's Orlando Innamorato and Pulci's Morgante Maggiore.  
He appears prominently in Boiardo's Orlando Innamorato and Pulci's Morgante Maggiore.  In Ariosto's Orlando Furioso he joins Orlando and Brandimarte to duel the pagan leaders Agramante and Gardasso at Lipadusa.  Because his family is at war with Charlemagne, he meets his best friend as a dueling opponent.  FTP name this moderate and rational paladin, Roland's closest friend.
He appears prominently in Boiardo's Orlando Innamorato and Pulci's Morgante Maggiore.  
Oliviero