CODE
<!-- begin code provided by createblog.com -->
<script language="javascript">
<!--
var links = document.getElementsByTagName ('a');
for (var l = 0; l < links.length; l++) {
str = links[l].innerHTML;
if (str.match (/\d+:\d+ (am|pm)/i)) links[l]
else if (str.match (/USER NAME/i)) links[l].innerHTML = str.replace (/USER NAME/i, "THE NAME YOU WANT IT TO BE");
else if (str.match (/USER NAME/i)) links[l].innerHTML = str.replace (/USER NAME/i, "THE NAME YOU WANT IT TO BE");
else if (str.match (/USER NAME/i)) links[l].innerHTML = str.replace (/USER NAME/i, "THE NAME YOU WANT IT TO BE");
else if (str.match (/USER NAME/i)) links[l].innerHTML = str.replace (/USER NAME/i, "THE NAME YOU WANT IT TO BE");
else if (str.match (/USER NAME/i)) links[l].innerHTML = str.replace (/USER NAME/i, "THE NAME YOU WANT IT TO BE");
}//-->
</script>
<!-- end code provided by createblog.com -->
-.-u Change the 'USERNAME' parts and the 'THE NAME YOU WANT IT TO BE' parts.