The important thing to remember is to follow the path of light. As the fictional character Yoda, from Star Wars, correctly pointed out, once you start down the dark path to power, it's very difficult to leave that path.
Meryl Streep is expert at only using the requisite amount of energy to express her character, not an ounce too little or too much. She's Zen and doesn't know she's Zen. That's very Zen!
The Zen Master was constantly attempting to break up concepts that people had about what it was like to be a spiritual teacher. We have a traditional image. Each Zen master was a complete character.
If you want to create a different character, you can do so just by altering your style of dress and cosmetics.