Well, my answer was Mewtwo.
For yours I'm guessing either Kyogre, Regice, Latios, Articuno, Suicune, and Rukario, with the exception of a shiny Mew.
How about the heaviest first stage of a 3-stage pokemon.
"It all starts with this, a jewel containing the ultimate power." -Shadow "I still remember what I promised you, for the people of this planet. I promise you, REVENGE!" -
No one knows Shadow better than me. Or likes him more either. Go ahead, try me.