Rodent to Stardom (1967)
Rodent to Stardom is a 1967 Looney Tunes animated short starring Daffy Duck and Speedy Gonzales. It is the first cartoon to credit Warner Bros. Seven Arts, but still uses the "Abstract WB" titles.
More at Wikipedia.
Director: Alex Lovy
Distributor: Warner Bros.
Release date: January 1, 1967
Running time: 6 minutes