The comedian was discovered by Mae West who, with her manager Jerry Franks, saw him in 1953 as the lead of The Student Prince at the Civic Light Orchestra in Los Angeles.
[9] The interracial comedy team released the album I Found Me a White Man—You Find Yourself One on Roulette Records.
In 1971, in an attempt to sell more tickets, Overseas National Airways employed the duo as live onboard entertainment.
Rossi and Allen reunited several times for subsequent projects, including a film released in 1974 and stage performances together from 1984 to 1985, and again from 1990 to 1994.
Rossi presented a spoof of Washington, D.C. called "Laffs, Sex & Politics," co-starring Buddy Hackett, in 2000.
In 2004, Rossi was inducted into the Show Business Legends Hall of Fame at the Tropicana Hotel in Las Vegas.
[13] In 2007, he was part of a touring cabaret show titled "5 Star Revue" with Gary Collins, Mary Ann Mobley, Ruta Lee and Ronnie Schell.
In August 2010, the Comedy Talks speakers series of the University of San Francisco hosted a panel discussion including Rossi, Rich Little, and Carol Channing.
The same year, he attended the opening of Rich Little's show "Jimmy Stewart and Friends", with strip headliner Terry Fator.