Those characters in the manga and anime usually serve as background character, character(s) who appear in flashback or sometimes as a throwaway character (characters who serve no purpose and only appear to get killed off).
This category has the following 6 subcategories, out of 6 total.
Pages in category "Minor Characters"
The following 200 pages are in this category, out of 243 total.(previous 200) (next 200)