Answer:

kent

Answer	Crossword Clue
KENT	Daily Planet name
KENT	Ohio city
KENT	Superman's earthly surname

KENT	Famous Clark
KENT	Superman's last name, out of costume
KENT	Superman alias
KENT	English county
KENT	Earl true to King Lear
KENT	"Daily Planet" reporter
KENT	Mild-mannered reporter
KENT	Superhero alias

KENT	Earl in "King Lear"
KENT	Smallville surname
KENT	"King Lear" role
KENT	Superman's cover
KENT	Hrbek or McCord
KENT	Superman's pen name?
KENT	"King Lear" character who disguises himself as a peasant
KENT	Fictional reporter

KENT	McCord of "Adam-12"
KENT	County on the Strait of Dover
KENT	Lane's partner
KENT	Maidstone's county
KENT	Smallville family name
KENT	Daily Planet reporter
KENT	Superman's Ma or Pa
KENT	Canterbury's county

KENT	Superhero family name
KENT	Colleague of Lane and Olsen
KENT	Lane partner
KENT	Ohio's .. State
KENT	Mild-mannered Clark
KENT	White underling
KENT	Essex neighbor
KENT	Margate's county

KENT	Mild-mannered fictional reporter
KENT	The Planet's strongest man
KENT	Coworker of Lane and Olsen
KENT	Lane lover
KENT	Lane's colleague