Bennett Cerf Redux or Go, West!

Of widely known Wests...? Here's a trey: 

there's Kanye, Cornel...and there's Mae.

Kanye's Rajah of Rap.
Cornel's teeth show a gap. 
And everyone understands Mae.

Of Wests...? Here's two hers and a him:

there's Jessamyn, Kimber and Jim.

Jess's novels...? Persuasive.

Kim's pictures...? Pervasive.

And everyone understands Jim.