Hervochon began painting at age 15 while taking drawing lessons at the École régionale des beaux-arts de Rennes and attending workshops of Mariano Otero and Pierre Gilles. From 1975 to 1980, he began to assert himself as a Breton painter, taking the pseudonym Yv K'hervochon.
Hervochon painted nature primarily, emphasizing the weather and time of year. His colors were often rich and cheerful. He painted landscapes, marine life, villages, etc.
Yves Hervochon died on 27 August 2020 in Rennes at the age of 85.[2]
