How do you check the IVs? And, just PokeGen-ed myself a Shiny Gengar. But before you say anything, he is no perfect. Getting HP [Fire] was plain hard, so, Icy Wind.
26 HP, 25 Atk(who cares), 24 Def, 31SAtk, 16 SDef (*Sob*), 31 Spe. <<< IV spread.
He has HP [Ghost]!
My Ttar has HP [Dark]!