You can modify your Pokemon's gender (and everything else) by using the PokeSav program.
Chat with our AI personalities
Unless you restart the game, it s impossible to change your name If you are talking about you pokemons name go to name raters house
You go to the name rater. he'll say some stuff then ask if you want a better nickname say yes and change the name. you cant change the name of traded pokemon.
No, there isn't. But it'll be cool!
you can only use Action replay or start the game again.
No you can't change your clothes in Pokemon Platinum.