Foreman Boss Pig (also known as the Moustache Pig or Grandpa Pig) is a species of Pig and the tertiary antagonist of the Angry Birds series. He is considered the right-hand-pig to the King Pig and is the second strongest of all the Pigs in the game. In Angry Birds Toons, there is only one Foreman Pig, while in the game, there are several Foreman Pigs. They first appear at the end of World 2, where a single Foreman Pig appears as the main enemy of Poached Eggs 2-21. Following the defeat of the first Foreman Pig, they are more commonly seen.

More facts here: https://angrybirds.fandom.com/wiki/Foreman_Pig