Angry Proletariat 18 July 2014, Cervera de los Montes A4 (29,7 x 21,0 cm) Acrylic color and felt-tip pen on paper i The figure is Red, leader of Angry Birds gang. Angry Birds is a video game franchise created by Finnish computer game developer Rovio Entertainment. The proletariat is a term used to describe the class of wage-earners in a capitalist society whose only possession of significant material value is their labour-power. Wäinö Aaltonen Museum of Art, Turku. Tags: Finland, proletariat, revolution, class, red, angry, bird 126 / 779