He signed his paintings with his real name, Domenikos Theotokopoulos, written in Greek letters
[DOC] [TLE] 400 Years After Death, El Greco Receives Celebration He Sought ... [PAR] Nov 4, 2014 ... El Greco was born Domenikos Theotokopoulos in Crete in 1541, and ... of Crete 
who has written several books and studies on El Greco.