Sergey Biryukov

Adds parent comment ID meta box to a comment editing page. Use to make existing comments threaded.

Edit Parent Comment ID

Instead, I advise you to use this plugin Change Comment Parent



New alternative to this plug-in

Adds parent comment ID meta box to a comment editing page.

versusbassz

Sortable ID columns for all standard data types in WordPress admin panel. 
No settings pages. It just works. 
ID columns will be first in admin panel tables.
Supported entities: 
* posts, pages, attachments, any custom post types 
* category, term, any custom taxonomies 
* users (including Multisite users) 
* comments 
* links (the legacy WP feature) 
* blogs (aka “sites”) in Multisite Admin panel
<h4>Links</h4>
<a href="https://github.com/versusbassz/sortable-id-columns/" rel="nofollow ugc">Github repo</a>

HH sortable ID columns

Sortable ID columns for all standard data types in WordPress admin panel.

Edit Parent Comment ID vs HH sortable ID columns