Firstly, talking about his early career Johnny created a band, “The Vikings”, which performed cover versions of popular rhythm and blues, along with Rolling Stones band. Further, he collaborated with Duke Robillard, Fran Christina, and Steve Nardella and formed the Black Cat Blues Band.
In the middle of his career, Johnny moved to Chicago, Illinois and joined Big Waiter Horton. There he released his single, “Too Many Bad Habits” for Blind Pig Records.
Again moving to Providence, Rhode Island, Nicholas finally formed his very first band, "Johnny Nicholas and the Rhythm Rockers," along with Kaz Kazanoof on saxophone, Ronnie Earle as an electric guitarist, Sarah Brown as bass guitarist and Terry Bingham as a drummer.
During Johnny’s leisure time he started his stint with Asleep at the Wheel and traveled several cities for solo shows. But mostly, he visited Louisiana to play with Link Davis and Cajun accordion player Nathan Abshire.
Heading towards Johnny's personal life, Nicholas and his beautiful wife Brenda is blessed with three boys. Both own and run a roadside restaurant named “Hill Top Café” in Fredericksburg, Texas.
Although the couple has a good financial status, their exact earning and net worth is yet to know.