For 10 points, name this character who asks God "am I my brother's keeper?" after murdering his brother Abel.
A character theorizes that this person was a noble man who was slandered by the weak after symbolically identifying the design on an arch's keystone as a sparrow hawk. This character is condemned to wander the Earth in Jose Saramago's last novel, which is titled for him. A character who parallels this character gives an acclaimed speech at a banquet that he has put on to honor a painting by his rival. Emil Sinclair is told a revised version of this man's story, in which he is not a (*) villain, by the title character of Hesse's Demian. This character is paralleled by Joaquin Monegro, who hates an artist surnamed Sanchez in a Miguel Unamuno novel. In Beowulf, Grendel and his mother are descendants of this Biblical man, and thus bear his "mark." For 10 points, name this character who asks God "am I my brother's keeper?" after murdering his brother Abel.
A character theorizes that this person was a noble man who was slandered by the weak after symbolically identifying the design on an arch's keystone as a sparrow hawk.
Cain