Mario is gay
Intelligent Systems' representation of LGBTQ+ characters isn't only limited to the Fire Emblem series but also includes Paper Mario as well. 's The Thousand-Year Door featured the shadow girl Vivian who joins Mario's party after being abused by her sisters.
Is Luigi actually trans? Mario’s brother hasn’t been shy about wearing dresses in the past. Take Game Boy Advance title Mario & Luigi: Superstar Saga, in which Luigi dresses as Princess Peach to fool the villainous Bowletta. But fans took this a step further with a theory that Luigi is trans.