"Verna" is the twelfth episode of the fourth season of the American television comedy series "30 Rock", and the 70th overall episode of the series, which former SNL cast member guest stars as the title character of this episode, an American actress and comedian best known for her work on "Saturday Night Live", where she was a repertory player from 1986–91?
Verna (30 Rock):  Former SNL cast member Jan Hooks guest stars as the title character of this episode. Jan Hooks: Janet Vivian "Jan" Hooks (April 23, 1957 – October 9, 2014) was an American actress and comedian best known for her work on "Saturday Night Live", where she was a repertory player from 1986–91, and continued making cameo appearances until 1994.
Janet Vivian "Jan" Hooks