I think the best are the pioneers and innovators as mentioned by many of u hear. I'll make a few mention off my head that think are the best coz they were great innovators that inspire so many of today's modern drummer be what they are today.
1) Buddy Rich (THere is one Buddy, the rest are just drummers)
2) Louie Bellson
3) Kenny Clarke
4) Max Roach
5) Mitch Mitchelle
6) Tony Williams
7) Billy Cobham
8) Gene Krupa
9) Neil Peart
10) SHelly Mane (together with Max Roach are two of the most "Melodic" drummers)
11) Elvin Jones