The author of the Sanskrit work 'Mattavilasa Prahasana' is Mahendravarman I.

The Mattavilasa Prahasana is a Sanskrit play that is known for its wit and humor. It is believed to have been written by Mahendravarman I, who was a ruler of the Pallava dynasty in South India. The play is set in the court of King Simhavarman III and revolves around the antics of a group of drunken characters.

Mahendravarman I:
- Mahendravarman I was a Pallava king who ruled from the late 6th century to the early 7th century CE.
- He was known for his patronage of the arts and literature, and he himself was a poet and playwright.
- Mahendravarman I was a staunch supporter of Sanskrit and encouraged the development of Sanskrit literature during his reign.

Contributions to Sanskrit Literature:
- The Mattavilasa Prahasana is one of the notable contributions of Mahendravarman I to Sanskrit literature.
- This play is considered a masterpiece of Sanskrit drama and is known for its clever dialogue and humorous situations.
- It reflects the social and cultural life of the Pallava period and provides insights into the courtly life and entertainment of that time.

Characteristics of the Play:
- The Mattavilasa Prahasana is a comedy play that satirizes various aspects of society, including politics, religion, and social customs.
- The main characters of the play are a group of drunkards who engage in witty banter and humorous situations.
- The play also incorporates elements of farce, with physical comedy and slapstick humor.

Significance:
- The Mattavilasa Prahasana is considered an important work in the history of Sanskrit drama.
- It showcases the literary and cultural achievements of the Pallava dynasty and their patronage of the arts.
- The play also provides valuable insights into the social and cultural life of ancient South India.

Overall, the Sanskrit work 'Mattavilasa Prahasana' is attributed to Mahendravarman I, a Pallava king known for his contributions to Sanskrit literature and his patronage of the arts. The play is a comedy that satirizes various aspects of society and is considered a masterpiece of Sanskrit drama.