Thacholi Meppayil Ambadi, or better known as Kadathanadan Ambadi, was a character in the Vadakkanpattu who is believed to have lived during 16th century in North Malabar region of Kerala, India. He was the son of the legendary Kalarippayattu practitioner Thacholi Othenan. The 1990 film Kadathanadan Ambadi' directed by Priyadarshan was based on his story.