Question: What were this group of people referred to as ("Not Ready For what?) that Jon Lovitz was a member of from 1985 to 1990?
Sentence (from "Jon Lovitz"): Jonathan Michael Lovitz (born July 21, 1957) is an American comedian, actor and singer, best known as a cast member of "Saturday Night Live" from 1985 to 1990.
Relevant evidence: Yes