Johnny Consonanti is a singer who sings with The Vowelles. In his segments, a 2-letter word is on screen. First, the Vowelles sing the vowel sound at the beginning. Then, Johnny says the consonant sound at the end.
From Seasons 2 to 4, his role was changed to be the announcer for Martha Reader and the Vowelles singing. In Season 5, He makes his two final appearances accompanied by The Vowelles in twoepisodes, dropping back to the original dark stage background from Season 1.