Phlegon
The name Phlegon means “zealous; burning”.
Easton's Bible Dictionary 1897
Burning, a Roman Christian to whom Paul sent salutations (Rom. 16:14).
Smith's Bible Dictionary 1863
(burning), a Christian at Rome whom St. Paul salutes. (Romans 16:14) (A.D.55.) Pseudo-Hippolytus makes him one of the seventy disciples and bishop of Marathon.
International Standard Bible Encyclopedia 1915
fle'-gon, fleg'-on (Phlegan): The name of a Roman Christian to whom Paul sent greetings (Ro 16:14). Of him nothing is known.