Markelaos the Hermit

Venerable Marcellus (Markelaos) the Hermit (ninth century) was an ascetic of the Klarjeti desert, a disciple of Venerable Michael of Parekhi. He is venerated as a saint in the Synaxis of the Venerable Fathers and Mothers of Klarjeti of the Orthodox Church of Georgia, canonized in October 2002 (by other data in 2003); he is commemorated on 5 October (old calendar).

News of him is preserved in the Life of Venerable Serapion of Zarzma, written by Venerable Basil of Zarzma in the tenth century. The source says that Michael had as disciples Basil and Marcellus, as Saint Anthony the Great had Hilarion the Great and Macarius the Great. Marcellus's name was entered in the calendar of the Church of Georgia in the second half of the twentieth century, together with the names of other saints from the old lives of the Georgian venerable ones.