In a classic good girl vs bad girl catfight this is how I see the character of the bad girl.
1. Spiteful/vindictive. Shows the good girl she hates her.
2. Bully. Intimidates/taunts the good girl, going face to face/nose to nose/breast to breast with her, glaring into her eyes and challenging her to fight.
3. Aggressive/confrontational. Total opposite to the sweet/passive good girl. Starts an argument to provoke the good girl into a fight she clearly does not want. Enjoys it even more if the good girl is timid and reluctant to fight.
4. Cheats. Fights unfairly by ganging up with other (multiple?) bad girls as tag-team partners. Unprovoked attack when she catches the good girl off guard and completely unaware.
5. Merciless/remorseless. Despite being (almost) completely dominant she’d prolong the fight beyond what is reasonable/necessary. Pulls hair after it’s obvious the good girl can’t go on.
6. Callous/cruel. Enjoys dishing out punishment. Hurting the good girl gives her a sadistic thrill. Fuelled by hatred and resentment.
7. Bad tempered/vicious. Fights dirty by trying to scratch/rake the good girl’s face with her nails.
8. Malicious. Malevolent. Refuses to accept her opponent’s submission (if it is offered).
9. Anything I’ve missed? (Feel free to add).
She starts the fight one of two ways.
A. Frontal assault. After an intense face-off/angry exchange, she lunges at the good girl, sinks her hands into her hair and viciously pulls it. (Includes pre-fight build-up of 1, 2, & 3).
B. Ambush. She attacks from behind, catching the good girl by surprise. Jumps on her back, wraps her legs around (and crushes) her waist, and viciously pulls her hair. (Misses out 1, 2, & 3).
Both A and B end up on the ground as a one-sided, savage, rolling, hairpulling catfight begins. I think it’s best if the bad girl(s) were bigger than the good girl, but maybe that doesn’t matter too much.
So, which celeb(s) could be most convincing as bad girl(s)? The nastier and more sadistic the better. She (or they) can be from any era, in peak fighting fitness/condition.