He signed his paintings with his real name, Domenikos Theotokopoulos, written in Greek letters
He 
lived in Venice until 1570 and, according to a letter written by his much older 
friend,... [DOC] [TLE] El Greco facts, information, pictures | Encyclopedia.com articles ... [PAR] El Greco, whose real name was Domenikos Theotokopoulos, was born in Candia
, Crete, in 1541, ... At this time he signed his paintings in Greek capital letters.