Quality check Plugin can identify and fix 2 common Author name issues
1)Initials format. 2 )Name order (Fn Ln or Ln, Fn)
Step 0 is to configure the PI with your preferences (author Initial format)
Step 1 is to run Check Metadata: the author with or without
commas (what is the wrong way for you): Select All results: Fix:...
Step 2 is to do the same check, except for
Initials. And the Fix: Initials
The only fix that this can't find or do is when it is a
Joe and Jane Smith type. You need to hand edit to Joe Smith&Jane Smith.

If you do this in rename in the Tag Browse , it does all uses