The Almighty Talest Red and Purple

The Irken Empire has a hierarchal class structure, where shorter individuals are both figuratively and literally looked down upon. The tallest Irken born in a specific generation takes command of the Empire as "the Tallest", but since Red and Purple, the two current Tallest, are the exact same height, they share equal (and high-supreme) power.

While the Tallest function mainly as figureheads, doing little to organize the society (preferring to lounge around and eat snacks), they do hold absolute power over the populace. They travel around to observe and supervise Operation Impending Doom II. They appear to mostly use their unlimited powers of state to amuse themselves- sending loyal Irken soldiers to painful deaths ("Battle of the Planets"), forcing others weaker than themselves to obey their random whims ("Hobo 13") and starving their own command crew ("Backseat Drivers").The Tallest also seem to enjoy puppet shows, in the episode"Walk for your lives"they have fun beating up those invaders who do not put on a puppet show for them. Tallest Red is slightly more intelligent than Tallest Purple, but both are equally malevolent.

*clap*

(yes, I know I'm late)