Mario is a trans guy, and his first and last name are the same because he used to just go by his last name
Luigi is a very enthusiastic ally
Peach is bi but she loves to complain about men
Wario is also trans
Waluigi is a chaser
bowser's straight up a misogynistic ex-gamergater "terf", toad's a eunuch (all of them), and yoshi's a pisspig sex pest (also a chaser)