Who is the mean guardian in Lemony A Series of Unfortunate Events?

That's a tricky question! It's hard to say who is the "meanest" guardian in A Series of Unfortunate Events, as they all have their own brand of unpleasantness.

However, some contenders for the title of "meanest" guardian include:

* Count Olaf: Obviously, he's the main villain and is consistently cruel, manipulative, and dangerous. He's driven by greed and will do anything to get his hands on the Baudelaire fortune.

* Aunt Josephine: She's neurotic, fearful, and prone to overreacting. While she's not intentionally malicious, her panicked behavior can be incredibly stressful for the Baudelaires.

* Mr. Poe: He's the incompetent lawyer who repeatedly fails to protect the Baudelaires and often makes things worse. While not overtly cruel, his incompetence and lack of care for the children could be seen as a form of neglect.

* Esme Squalor: She's a shallow, materialistic, and self-centered guardian who only cares about appearances and social status. She doesn't seem to have any real affection for the Baudelaires and treats them as mere accessories.

Ultimately, it's up to the reader to decide which guardian they consider the most unpleasant. There are many different perspectives on this, and each guardian has their own unique brand of meanness!