Ninjas, super-heroes, black-belt and terms like that are known gender-excluders. I’ve been through a couple of adjustment sessions for company standard job descriptions and it’s unreal how you can change the applicant mix by wording.
Ah yes, I’ve spent decades cringing when I meet a self-proclaimed or even peer-proclaimed “rockstar”, “ninja”, “guru”, “jedi”, or probably a half dozen other “cool” designations for a tech worker.
Rockstar is an esoteric programming language based on the ‘lyrical conventions of 1980s hard rock songs and power ballads.’. It was created by Dylan Beattie in 2018.