Pigmasks are basically Porky's soldiers he requires in order to use to world as his playground, due to his ailment. Pigmasks are incredibly loyal to Porky's twisted empire, usually through brainwashing. However, despite being brainwashed, they still retain their original personalities, and most of them are incredibly quirky and weird. Don't let their strangeness fool you, though, as they can be incredibly dangerous foes.
There are various members and squads in the Pigmask army, from foot soldiers, to tank commanders. They all can be recognized by the pig-shaped gasmasks they're all required to wear.