Brooke Cartwright

Brooke Cartwright is the main antagoinst in the episode Unbreakable Friendship in Power Rangers Rebirth: Origin. She is a mean spirited racist bully who constantly torments Theo and Beverly, most likely because of their friendship, Theo's race and Beverly's bisexuality.

In Unbreakable Friendship, she and her friends look at Beverly and Theo hugging one another after the former has declared his love and acceptance for his lifelong best friend. Brooke and her friends proceed to call them racist and prejudiced names. During their high school years, Brooke would constantly target them.

But all bullying comes to an end. Brooke finally received the punishment she so deserved at the hands of Beverly and Theo, who managed to fight back by using martial arts moves. Principal Appleby learns of Brooke and her friends bullying Beverly, Theo and other kids and she was expelled from school and barred from the prom.

Aside from her expulsion, Brooke and her friends were sent to a "Scared Straight" program by the school, in the hopes that they will renounce their prejudiced, racist ways.

Personality
Brooke is everything people hate in a bully. She is racist as she calls Theo a "nigger" and bullies him because of the color of his skin, she is constantly bullying him with her boyfriend James, who is just as hateful and racist.

Her usual target is Beverly, who bullies her for being a tomboy, hanging out with Theo and even going so far in calling her a dyke after realizing that she is bisexual.