Miss E

Miss E is a Letter Girl in The Letter People. She is the second Letter Girl to arrive and the first to debut on a Catching Game episode. She gets her initial/short sound from the same sound that starts "Exercise."

Notable Heroic Roles
In her debut episode, she fixes up the damage she had accidentally done to Mister Z's apartment while singing her trademark song (which also involved getting children exercising in the lyrics).

Additionally, after she and the other Letter Girls gain their long sounds from their names, Miss E makes it possible for a word to end with a consonant sound and have the catching vowel use her long sound by being Silent E to save the show from cancellation.

Then comes involvement in solving clues on Poopsie Van Snert's birthday; she acts sort of like Silent E (only in the sense of being adjacent to vowel #1 in "pies") and as Vowel #1 ("steam") as a surprise birthday party.