For ten points, name this Eugene Ionesco work, a conventional allegory of the Nazi phenomenon.
The protagonist, who made his first appearance in 1957's The Killer, is an average citizen in a nameless French city.  He quarrels with his friend Jean and his attractive secretary Daisy outside of a grocer's shop, with others joining in - the grocer and his wife, a logician, and a caf?owner, all trying to figure out the chaos surrounding them.  The herd of animals is growing constantly, as Berenger witnesses when he sees fellow government workers turning into the title animal.  For ten points, name this Eugene Ionesco work, a conventional allegory of the Nazi phenomenon.
The protagonist, who made his first appearance in 1957's The Killer, is an average citizen in a nameless French city.  
Rhinoceros