For the TV series:
No one. The character was never based off of anyone real and was never intended to be.
For the motion picture starring Mel Gibson:
His character of Bret Maverick was based off of the character with the same name from the 1959 TV series "Maverick". The TV Bret was played by James Garner who played Zane Cooper in the motion picture. Reading up on the movie reveals that Gibson's Bret is actually named Bret Maverick Jr. - the son the the Bret from the series.
The duration of Bret Maverick is 3600.0 seconds.
Bret Maverick was created on 1981-12-01.
Bret Maverick ended on 1982-05-04.
Yes, Mel Gibson did appear in Maverick. The film was released in 1994.He played the role of Bret Maverick.
Maverick - 1957 The Day They Hanged Bret Maverick 2-1 was released on: USA: 21 September 1958
bart
Bret Francis Quinn goes by Maverick.
Bret Maverick - 1981 was released on: USA: 1 December 1981 West Germany: 1 February 1984
Lo-Ball
Bret Maverick - 1981 Anything for a Friend - 1.4 was released on: USA: 15 December 1981
Bret Maverick - 1981 Welcome to Sweetwater 1-3 was released on: USA: 8 December 1981
Bret Maverick - 1981 The Rattlesnake Brigade 1-17 was released on: USA: 27 April 1982