After migrating Ensim site, mysql uses "admin" as

Using VirtualMin 3.77 GPL on CentOS 5.4. Migrated Ensim site with no database. Migration is good. Then enabled MySQL database by editing VirtualMin Server. The mysql user “admin” is created instead of the virtualmin server administrator. “admin” is the administrator name on Ensim sites.
Why is “admin” being used by virtualmin instead of the virtualmin server administrator name? I cannot figure out how to change the mysql administrator name in a way that virtualmin recognizes it.