This is the Mr. Meeseeks Wiki. This is your destination for all things Meeseeks. All painful things. All dreadful, horrible things, and especially Parsoid.
Look at him.
He is a Mr. Meeseeks.
As you can see, existence is pain.
A Meeseeks Egg
Notice the box shape. Meeseeks hatch from these eggs.
Through it all
Through all of this tho, Meeseeks still have good attitudes. They are good meeseeks.
Also He's Angry Sometimes
However, A Meeseeks holding a MP40 doesn't always indicate that he is angry.