Dido vs. Ditto

I sent out an email with the Dr. FuzzyButt's Medical Minute doodle responding to a Flu Vaccinations email from the company where I work.

Received the following feedback:

Email Rejoiner #1: Would you hurry up and go and get an animation job! Amazing work as usual!

Email Rejoiner #2 in response to the above: Yeah... Dido!

Dido?

According to Webster's Dictionary, did Email Respondent #2 mean I should perform mischievous or capricious acts?

Maybe.

Or did Email Rejoiner #2 actually mean Ditto? Well, no way was I gonna let this slide. So I sent Rejoiner #2 a query, below:

I didn't stop there.

So I sent this:

And then this: