Site Not Showing Comments Author

I am running a theme which the developer seems to have purposely designed to not show the author’s name with the comments. Just the author’s avatar. Below is all the code contained in the comments.php file for the theme.

I want to add in some code to make it show the comment author too. I tried adding in the code <?php $comment_author(); ?> directly underneath the line of code for the avatar, but it seems to have no effect. Could anyone kindly help me perhaps with a line of code to add to the code below to get the author’s names to show please?

Many thanks…

<ul class=”nolist” id=”comments” data-scroll-reveal>
<?php $comment_avatar = wp_list_comments(array(‘avatar_size’ => 60)); ?>

<?php if ( get_option(‘page_comments’) ) : ?>
<div class=”pagination”>
<?php paginate_comments_links(); ?>
</div>
<?php endif; ?>

<div data-scroll-reveal>
<?php comment_form(); ?>
</div>