Of course the most famous of all time:
Lucy in I Love Lucy
The Lucy Show
Heres Lucy

roseanne
seinfeld
everybody loves raymond
ellen
bob newhart show
mary tyler moore
andy griffth show
donna reed show

just getting the obvious out of the way. I am sure there are several shows
who used the actors first name that are not in the title of show!!

Michael Flaherty --- Michael J. Fox (Spin City)

Tim Allen played Tim "The Toolman" Taylor on Home Improvement.

tony danza as tony banta on taxi
tony danza as tony miceli on who's the boss
fran drescher as fran fine on the nanny

make room for daddy
danny thomas as danny williams
rusty hamer as rusty williams

Bonnie Hunt played a character named Bonnie in The Building, The Bonnie Hunt Show and Life with Bonnie, while Holly Wortell played a character named Holly in all three. In fact, nearly all the characters in Life with Bonnie went by their first names.

Woody Harrellson as Woody Boyd on Cheers.

Gabe Kaplan as Gabe Kotter on Welcome Back Kotter

An Oldie-Joan Davis played the title role in "I Married Joan"

The Monkees all used their real names :D

The Monkees all used their real names :D
funny penny,remember john was the beatles!!

funny penny,remember john was the beatles!!

Sorry I am not getting it! What? :confused: :crazy:

Dont forget Will Smith played well Will Smith in "The Fresh Prince of Bel-Air.

danny bonaduce as danny partridge

Jim Belushi in According to Jim

Rodney from the sitcom Rodney?