‘Thullal’ is a satirical performance art form developed by:

The correct answer is: A) Kunchan Nambiar.

Thullal is a satirical performance art form developed by Kunchan Nambiar in the 18th century. It is a type of folk theater that uses music, dance, and comedy to satirize social and political issues. Thullal is performed by a group of actors who sing and dance while reciting verses that are often humorous and critical of the government or other powerful institutions.

The other options are incorrect because:

• Vallathol Narayana Menon was a poet who is best known for his work in the Malayalam language. He did not develop thullal.
• Ezhuthachan was a poet who is considered to be the father of Malayalam literature. He did not develop thullal.
• Chattampi Swamikal was a social reformer and religious leader. He did not develop thullal.