The Pain Dummy
Make sure you hurt this dude as much as possible, or if you are angry and don't want to hurt someone in real life, this is your solution. You can also imagine it's a voodoo doll. Do whatever you want with this Pain Dummy(s). If you want you can spawn more dummies by pressing the spacebar.
How to play
Hurt the Pain Dummy with your mouse, and press the spacebar to spawn more dummies.