.. code-block:: python
    class Mario(EntityBase):
        def __init__(self, x, y, level, screen, dashboard, sound, gravity=0.8):
            super(Mario, self).__init__(x, y, gravity)
            self.sound = sound
            self.input = Input(self)
            self.inAir = False
            self.inJump = False
            self.powerUpState = 0
            self.invincibilityFrames = 0
            self.traits = {
                "jumpTrait": JumpTrait(self),
                "goTrait": GoTrait(smallAnimation, screen, self.camera, self),
                "bounceTrait": bounceTrait(self),
            }