Characteristics:
* Macavity is a large, black cat with a bushy tail and green eyes.
* He is described as being "the hidden tiger of the yard", and is known for his cunning and intelligence.
* Macavity has a reputation for being able to disappear and reappear at will, and is said to have the power of hypnotism.
* He is also known for his love of music and poetry, and is often seen playing the piano or reciting poems.
Macavity's Gang:
* Macavity is said to be the leader of a gang of criminal cats, who help him carry out his various schemes.
* The members of Macavity's gang include: Mungojerrie and Rumpleteazer, Old Deuteronomy, and Growltiger.
* The gang is known for causing mischief and trouble around London, and is often blamed for various crimes.
Macavity's Crimes:
* Macavity is known for committing various crimes, such as stealing, gambling, and fighting.
* He is also said to have a habit of disappearing when the police are on his trail.
* Macavity is a master of disguise, and is able to change his appearance at will.
Macavity in Popular Culture:
* Macavity has appeared in numerous adaptations of "Old Possum's Book of Practical Cats", including the 1981 musical "Cats".
* He has also been featured in various books, films, and television shows.
Macavity's Legacy:
* Macavity the Mystery Cat is a beloved and enduring character in children's literature.
* He is known for his cleverness, cunning, and mischievous nature.
* Macavity has left a lasting impression on popular culture, and continues to be a popular character to this day.