How to print the drupal username -without a link to it- inside the node profile?
I do not have the exact answer you are looking for.
However I'd use get_defined_vars() in all template files to list the defined variables.

In case you are not a programmer, here's the code.

&lt;pre&gt;
&lt;?php
  print_r(get_defined_vars());
?&gt;
&lt;/pre&gt;


http://php.net/manual/en/function.get-defined-vars.php