Like if doom slayer and deadpool had a baby, they're a chaotic neutral superhuman that walks through the wasteland, killing mutants and having fun whilst doing so. They wouldn't really call themself much of a hero, but more of a rando that enjoys killing just for the hell of it!
Thank you Takano for reminding all the other annoying toku fans who still have their heads up their asses trying to claim that Rita isn't enby/gender neutral