The avatar, author, and date updated information is all located in the article-author div on the Article page.
If you want to simply change the author of the article, see Changing the author for an article.
To access this information follow these steps:
- Log into your Help Center and visit Guide Admin > Customize design icon ().
- In the Design editor, select view theme > edit code.
- In the Theme editor, access the article_page.hbs.
- In the default Copenhagen theme, you will find the following code, that contains all of the author information displayed in an article (including author name, avatar, etc). Simply remove this content or modify to display the information that you would like.