Singalotti is an Italian opera singer who entered Mopatop's Shop in the episode "Singalotti" to find a new singing partner. His normal partner, Madame Butterfly, has lost her voice in a tree and can't find it. His requirements for a new partner are that she must be small, green, round and leafy. After all, the show is called "The all green singing show". He ends up leaving the shop with a Lettuce.
In "Stan the One Man Band," Singalotti is helped by Stan the Music Man when Singalotti's flea orchestra has fled.