I think you have to separate rockstar drummer from technically gifted drummer.
Bonham did a good job considering how few drums he actually played with.
Billy Cobham was an excellent Jazz drummer.
As was Charlie Watts.
Bernard Purdie was Motown's drummer of choice for a long time and the number of 70's 80's and 90's soul tracks he played on probably outnumbers just about anybody else's output.
Very innovative too. Check out the odd video on YouTube !
[media=https://youtu.be/C8NPeUhrmnE]
For me, if innovative drumming is how you want to measure a 'great', I guess you have to look to guys like Keith Moon; Carl Palmer; Ginger Baker; Cozy Powell; Francesco Mendolina.....