What does Microbe look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add Microbe?

Google first drew Microbe in Android 9.0, released August 6, 2018.

Google LLC has shipped 13 versions of Microbe. Each is dated, so you can see when the design changed.

Google Android 12l

Google shipped a new design for Microbe in Android 12l, released March 7, 2022. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Microbe look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add Microbe?: Google first drew Microbe in Android 9.0, released August 6, 2018.
How many times has Google redrawn Microbe?: Google LLC has shipped 13 versions of Microbe. Each is dated, so you can see when the design changed.