For purposes of matching, the tag just has to be recognisable and pretty well correct, not canonical to AO3. So I probably won't bother changing it. (Honestly the decision to pipe every single bloody variation of character's names into the canonical tags is NOT my favourite thing that AO3 has done.)

It should be alphabetical by last name, unless they don't have a last name, so that would be correct.

(Love your icon!)