Cornelius Tunt is Cheryl Tunt's great-grandfather of the Tunt family. He is the builder of most of the railroads in the Archer universe and one member of five generations of men named Cornelius Tunt. This family lineage can be traced back to George Washington Tunt who lived in the Tunt Manor. Cheryl spent many summers at the Manor as she listens to her great-grandmother complain about the abolition of slavery.