Krastyo Hadzhipetrov Asenov, nicknamed Mechkata (the Bear), Ogneniot daskal (the Fiery Teacher) and Cherkeza (the Circassian), was a Bulgarian revolutionary figure active in the region of Macedonia, one of the voyvodas of the Internal Macedonian-Adrianople Revolutionary Organization (IMARO) for the Enidzhe Vardar region. He took part in the liberation struggles of the Macedonians at the beginning of the 20th century.