Wisteria is a fanmade Sing-a-ma-jig. She is mostly purple, has pink hair, the same ears as the Birthday Soprano Sing-a-ma-jig, purple flower eyes, a pink nose, a purple mouth, the same arm pose as the hand of the big one from the Orange duet, a pink shirt with yellow and green polka dots, the same feet as the big one from the Dark Blue duet, has the same voice as the Lilac Sing-a-ma-jig and she sings "Wee Willie Winkie". She signs on, enters song mode and signs off the same way as the Lilac Sing-a-ma-jig.