Clover / Boxer

Clover and Boxer are two halves of the same coin. They represent the working class or more specifically the proletariat in comparison to the bourgeoisie. This refers to the urban working class or factory workers, first mentioned in Karl Marx theory, and elaborated upon in Leon Trotsky's writings and philosophy.

The "Working" Class vs. The "Exploiting" Class,

Lenin and Revolutionary Russia

Working Class according to Wikipedia