Champion of El; man of God, a descendant of Cain (Gen. 4:18), so called, perhaps, to denote that even among the descendants of Cain God had not left himself without a witness.
Methusael
1 verse
Genesis
Genesis 4:18
And unto Enoch was born Irad: and Irad begat Mehujael: and Mehujael begat Methusael: and Methusael begat Lamech.
From Easton's Bible Dictionary
Matthew George Easton, 1897