Create Word Press admin user using PhpMyadmin

You can simply drop this SQL query in your wordpress database and change username,password,firstname,lastname according to your requrement.

INSERT INTO `wp_users` (`user_login`, `user_pass`, `user_nicename`, `user_email`, `user_status`)
VALUES ('newusername', MD5('pass123'), 'your first name Your last name', 'youremail@gmail.com', '0');

INSERT INTO `wp_usermeta` (`umeta_id`, `user_id`, `meta_key`, `meta_value`) 
VALUES (NULL, (Select max(id) FROM wp_users), 'wp_capabilities', 'a:1:{s:13:"administrator";s:1:"1";}');

INSERT INTO `wp_usermeta` (`umeta_id`, `user_id`, `meta_key`, `meta_value`) 
VALUES (NULL, (Select max(id) FROM wp_users), 'wp_user_level', '10');