Real name Nanette Guzman. This Raffi-like singing children's entertainer appeared in a couple episodes of Cheers (1982-1993) and its spinoff Frasier (1993-2004). Her back-story is that she and Frasier were married briefly in the past. She is played by three actresses: Emma Thompson in Cheers and Laurie Metcalf and Dina Spybey in Frasier.
She first appeared in the "One Hugs, the Other Doesn't" episode (30 January 1992).