Display Name if no gravatar

Hi, My name is Eli.
If I comment on your WordPress site, blog, or forum,
you’ll see my Gravatar next to my comment. It looks like this:


But what if I did not have a Gravatar setup yet?
Well then you might see this:


However, if you use this Plugin on you WordPress site,
and I left a comment and did not yet have a Gravatar,
you would see this instead:

Rendered 3407218 Alternate Gravatars Since 2016-01-01