Silent Murderer, take a Treecko. It must not participate in the battle with Roxxane and may only evolve into Grovyle any time after the battle. It must solo both Flannery and Winona to evolve into Sceptile, plus during the battle with Wallace it may only fight one of his pokemon although it cannot be Milotic. You may teach it whatever moves you like, however, it can only learn one move of each type and must know at least one status move, due to this it may not hold any items. Finally it must deafeat one of Glacia's Glalie and Drake's Shelgon. Name it Cobblepot, plus if you want to tweak some things here and there by all means do so.
Spoiler:- My Shinies (NOT FOR TRADE):
MM, 1648 eggs 7/1/2012 1250 RE's 12/1/12 1129 RE's 12/4/12 MM, 3281 eggs 17/5/12 MM, 73 eggs! 22/5/12
MM, 105 eggs! 6/6/12 MM, 719 eggs 8/9/12 MM, 1434 eggs 10/10/12 485 Soft Resets 13/11/12 125 RE's 13/11/12
4309 RE's 19/11/12 MM, 2028 eggs 10/2/13 MM, 250 eggs 15/5/13 MM, 1321 eggs 16/6/13