No, he was real but the books of Capital were written long after his death and his disciples were able to twist his message in the early scriptures to their own ends and make him less radical. For example, the original passage "Seize the means of reproduction" was changed by the Apostle Engels into a less radical message that could be accepted by volcel orthodoxy "Seize the means of production". This later innovation and modifications to his words even led to deep disagreements in later Internationale synods. Such as the theological debate over the nature of Marx, weather he was "an academic who consumed alcohol" or "an alcoholic that pursued academic inquiry". In a later Synod, Stalin as the the new leader of the Third Internationale tried to introduce a compromise doctrine, saying "Marx was both True Academic and True Alcoholic" but this pissed off both the Academicians and the Alcoholisthians and almost inadvertently created another schism in the faith.