A Pikachu
His name is Pikachu.
pickachu
you do not
You can't.
No
Ash's dad went on a Pokemon journey and we have not heard about him since you should watch the second episode of Pokemon it tells u in there about how ashs dad went on a Pokemon journy of his own
Scraggy
Synthesis
Butterfree found a soul mate and ash let it go.
Mijumaru
yellow mate yellow mate
No because Pokemon in yellow/blue/red have no gender accept Nidoran which can ether evolve into Niderino or Niderena... sorry if my spelling is wrong
the episode that ashs grovyle evolves is odd Pokemon out that's the name of the episode and the season is battle frontier