Skyy

This plugin allows you to banned certain username from making comment, particularly when you don’t want to ban 
ip addresses, but want to stop certain “notorious” misbehaving users.
If your blog requires user registration, you should really try the “members.0.1.1” wordpress plugin.

WP-Ban-User

Sami Keijonen

This mini plugin register shortcode [sk-nnd-name-days] to display current name days in Nordic countries. Supported countries are Finland, 
Norway, Sweden and Denmark. By default shortcode [sk-nnd-name-days] displays current day of the week, day and name days in Finland. You can use 
use shortcode in posts, pages and text widget. This plugin idea is from <a href="https://wordpress.org/extend/plugins/international-namedays/" title="International Namedays" rel="ugc">International Namedays</a> plugin.
<h4>Shorcode usage and attributes in other countries</h4>
Here is how you use shortcode in other languages.
<ol>
<li>Norway: [sk-nnd-name-days language=”nb_NO”]</li>
<li>Sweden: [sk-nnd-name-days language=”sv_SE”]</li>
<li>Denmark: [sk-nnd-name-days language=”da_DK”]</li>
</ol>
Other shortcode attributes are before, after, language, separator (default is |) and dateformat (default is l j.n.Y). You can use these attributes 
like this.
<pre><code>[sk-nnd-name-days language="nb_NO" before="Name days: " after="" separator="-" dateformat="j.n.Y"]
</code></pre>
If you want to display name days in your theme template file, add this code.
<pre><code><?php 
// Display name of the day
if ( function_exists( 'sk_nnd_name_days_shortcode' ) ) {

 echo do_shortcode( '[sk-nnd-name-days]' ); 

}
?>
</code></pre>

Nordic Name Days

Register shortcode [sk-nnd-name-days] to display current day of the weeek, day and name day.

WP-Ban-User vs Nordic Name Days