Is Max short for Maximilian or Maximum?

Max is short for anything and everything you can imagine. Any and all things "Max" related embody Max. He's kind of like the inspiration for the most interesting man in the world and the Old Spice guy combined. You can see in this photo, when he met that weirdo Cesar Milan, Cesar was so threatened by Max's gigantic amount of handsome, he tried to choke him to death.