Thanks for getting back to me. I figured out why it wasn’t displaying. I decided against using custom HTML email templates and am using the default account welcome email. I realised that in my registration form, unless I set “can user edit this field” to “yes”, the first_name, last_name doesn’t display in the emails. The Pending Review Email doesn’t display the first_name last_name fields either, so I’ve had to turn it off. It only displays the display_name which shows like this firstnamelastname all lowercase and no gap.