Mardocheus
From BiblePortal Wikipedia
Hastings' Dictionary of the Bible [1]
Mardocheus 1. The name of Mordecai , the uncle of Esther, appears in this form in Ad. Est 10:4, 11:2, 12, 12:1, 4 6, 16:13, Esther 10:2 . Esther 5:8 Esther 5:8 = Mordecai, Ezra 2:2 , Nehemiah 7:7 .
International Standard Bible Encyclopedia [2]
mar - dṓ - kē´us ( Μαρδοχαῖος , Mardochaı́os ):
(1) One of the Jewish leaders who accompanied Zerubbabel on the return from Babylon to Judah (1 Esdras 5:8, where it stands for "Mordecai" of Ezra 2:2 and Nehemiah 7:7 ).
(2) Another form of Mordecai, the uncle of Esther (Additions to Esther 10:4; 11:2,12; 12:1,4 ff; 16:13).