Lucia Hunter is the 21 year old, female lead protagonist of this short film. She is a secret agent tasked with taking out the international terrorist, Kronos, before enacting his plans. She's an athletic stealth specialist and fighter, but also has to use her ingenuity to take out her much stronger opponent.

I imagine her to sound similar to Sasha Waybright (Amphibia), an example of which I've attached below. Someone with this youthful, sassy, determined energy, who also gets easily angered when provoked:

https://www.youtube.com/watch?v=ODi-Lw7q55k