James Gordon
Barbara Kean
Lee Thompkins
Sofia Falcone

Oswald Cobblepot
Ed Nygma (let's just say Ed is the one who has feelings for Oswald in this)

Jerome Valeska
Surprisingly no one; all the charm wears off once he becomes in touch with his homicidal tendencies

Jeremiah Valeska
Ecco

Edward Nygma
Kristen Kringle
Isabella

Bruce Wayne
Silver St. Cloud
Grace Blomdhal
Ivy Pepper
Selina Kyle (not really anymore)

Alfred Pennyworth
You're not jealous of anyone

Victor Zsasz
Are you kidding? If you were jealous of some slut that wanted Victor, you'd simply take care of her... and by that I mean kill her

Jonathan Crane
Jonathan was never one to attract girls, so you don't have a reason to be jealous