Who's Johnny?

Riddle: Johnny pounds rocks all day at the samuel l. jackson state penitentiary (named after his uncle), where he is serving 20 years for killing his ex-wife betty white. Johnny was arrested by his step father's oldest son sherriff andy griffith, and his sister in-law mary tyler moore represented him in court. The key witness to the murder was his high school sweethearts illegitimate son ronnie howard. The day of the sentencing many of his family testified that johnny was a rotten apple; cousin arthur fonzarelli, half-sister carol burnett, aunt valerie bertinelli, even the milk man don johnson. The weapon was never found. What is Johnny's last name?

Answer: Johnny Pounds, he's the lead guitarist in the jail house band. He "rocks all day".

Source: https://www.riddles.com/2684

Johnny pounds rocks all day at the samuel l. jackson state penitentiary (named after his uncle), where he is serving 20 years for killing his ex-wife betty white. Johnny was arrested by his step father's oldest son sherriff andy griffith, and his sister in-law mary tyler moore represented him in court. The key witness to the murder was his high school sweethearts illegitimate son ronnie howard. The day of the sentencing many of his family testified that johnny was a rotten apple; cousin arthur fonzarelli, half-sister carol burnett, aunt valerie bertinelli, even the milk man don johnson. The weapon was never found.
What is Johnny's last name? — Who's Johnny? by Vance v1.

Riddle: Johnny pounds rocks all day at the samuel l. jackson state penitentiary (named after his uncle), where he is serving 20 years for killing his ex-wife betty white. Johnny was arrested by his step father's oldest son sherriff andy griffith, and his sister in-law mary tyler moore represented him in court. The key witness to the murder was his high school sweethearts illegitimate son ronnie howard. The day of the sentencing many of his family testified that johnny was a rotten apple; cousin arthur fonzarelli, half-sister carol burnett, aunt valerie bertinelli, even the milk man don johnson. The weapon was never found.
What is Johnny's last name? Answer: Johnny Pounds, he's the lead guitarist in the jail house band. He "rocks all day". — by Vance v2.