Jason

He'll get sad and moody while fiddling with his fingers waiting for his turn to get your attention.

Micheal

Take out the knife and stab this certain someone that he's jealous with then gives you all the attention and love when he gets home.

Freddy

He doesn't show it but it's really obvious that he's jealous so he'll say childish arguments and comebacks then storms off to kill the person that he's jealous of.

Bubba

He'll get his chainsaw and does his silly little dance that we know and love to vent out.

Brahms

Goes down to his little make shift room in the wall and hug his pillow while plotting his revenge either on you or the person that he's jealous with.

Hannibal

He'll smooth talk his way into your mind and command you to not see this person that he's jealous with, then he'll drug this person and deep fry them.

Ghostface

Will have an argument with you first then makes this person suffer and die painfully and slowly.

Chucky

Of course, kills the guy and punishes you when he's done.