Word Balloon will easy to add speech balloon in your post. There's a wide variety of speech balloon. Other than this, there are function to add effect , filter, icon ,sound. Support for Block editor(Gutenberg) & Classic Editor. Translation ready and currently translated in Japanese(日本語).
Related links (English):
Related links (Japanese):
תוסף זה זמין להורדה ולשימוש דרך שברשותך.