Slide In and Mailchimp - can I have first and last name on my slide in?

Hi,

is it possible to have first and last name on the Slide In together with the e-mail adresse? I know it might mean less subscribers to my Mailchimp newsletter, but I need their names also.

My signup form on Mailchimp contains both e-mail, first- and lastname.

Thanks in advance.

Best regards,

Thomas Petersen