You could run this Sql text to your database that will reset all admins ie: God
Code:
DROP TABLE IF EXISTS `nuke_authors`;
CREATE TABLE `nuke_authors` (
`aid` varchar(25) NOT NULL default '',
`name` varchar(50) default NULL,
`url` varchar(255) NOT NULL default '',
`email` varchar(255) NOT NULL default '',
`pwd` varchar(40) default NULL,
`counter` int(11) NOT NULL default '0',
`radminsuper` tinyint(1) NOT NULL default '1',
`admlanguage` varchar(30) NOT NULL default '',
PRIMARY KEY (`aid`),
KEY `aid` (`aid`)
) TYPE=MyISAM;
Then w*w.yoursite.com/admin.php