5. Skuntank, Gengar (Mega too), Duskull line
4. Misdreveaus line, Sableye, Driftloon line
3. Most starter Pokemon save the Gen 4 ones, Froslass
2. Litwick line, Pumpkaboo line, Phantump line, Mimikyu, Dhelmise, Honedge line
1. Marshadow, Banette (Mega too)
As you can see, a lot of ties. I love so many Pokemon.