In as far as The Ladybugs are an alternate world analogy of the Beatles…
Steffie is a mixture of Harrison and McCartney. Like Harrison, she has her songs pushed aside on albums because of the prolific songwriting of Piffy and Penny. Like McCartney, she can play just about any instrument. She spends her off time in seclusion.
She has a little boy.
Read about her and the other Ladybugs in Tesla’s Stepdaughters.