Zoan:
Whoever BBP strongest zoan user turns out to be (hopefully)
Logia:
Blackbeard, Smoker, Akainu, Aokiji, Kizaru
Paramecia:
Blackbeard, Shiryu
I wonder if Catarina Devon, Sanjuan Wolf and Vasco shot will turn out to be awakened, they might have been df users before they got put in impel down and were regarded as big name pirates before they were put in level 6 jail.