niatn1012

Guten-bubble can create a speech bubble display like a chat conversation.
Features
<ul>
<li>It’s easy to create speech bubble using Guten-bubble block for Gutenberg editor in WordPress 5.0 or later.</li>
<li>Pick from 24 color themes for speech bubble.</li>
<li>You can use it as an icon image by importing image files from WordPress’s media library. Let’s make interesting articles by using icon image on hand!</li>
</ul>
How to use in block editor
<ol>
<li>Add a Guten-bubble block where you want to add a speech bubble.</li>
<li>Enter serif in the balloon in the block ( the part where ‘Enter serif here …’ placeholder is displayed ), select character icon and set the balloon in the inspector.</li>
</ol>

Guten-bubble

Displays a speech bubble like a chat conversation.

Densuke

At your Edit Post view, use shortcode as [balloon-r] or [balloon-l].
Change balloon style at ‘Tools’->’Speech Balloon Maker’ screen.
You can also change style at shortcode parameter ex. [baloon-r name=’foo’ style=’border’ img=’https://foo.com/bar.jpg’]

Guten-bubble vs Speech Balloon Maker （ふきだしメーカー）