Here is the info...

The ranking is legit from dotabuff  but remarks were human made :-)

1.) PUDGE (the Butcher)
This fat, ugly, and smelly hero got the highest score. LOL.
Matches played upto 268,174,018 and pick rate of 31.52%.

2.) SNIPER (Kardel Sharpeye)
The old impotent dwarf, his life is full of utmost dullness.
Matches played upto 217,331,639 and pick rate of 25.45%.

3.) PHANTOM ASSASSIN (Mortred)
The lesbian fighter who defeated Alexander the gay :-).
Matches played upto 182,564,543 and pick rate of 21.37%.

4.) JUGGERNAUT (Yurnero)
Spinning his life till totally broke, become beggar in Penang.
Matches played upto 162,474,949 and pick rate of 19.01%.

5.) INVOKER (Kael)
He went crazy in collecting magics, ended in mental hospital.
Matches played upto 161,970,967 and pick rate of 18.96%.