Shirley Curated by shirleydiaslemos_992 . 6 shows. Followers Followers. Comments. You may also like. Secret Crush on You Curated by Viki.Shirley is a supervillain created by the combined imaginations of Jimmy Neutron and Timmy Turner. When the two former rivals realized fighting their own respective enemies was too easy with their combined abilities, they decided to create one which would give them more excitement and challenge. Among other things, they gave him human emotions, which initially makes him too friendly and giddy to fight them seriously.