Forum:USERNAME variable

On wookiepedia there is a variable called. How can I make this work on Memory Gamma?--User:Londogne 19:41, 30 August 2008 (UTC)
 * done. --Uberfuzzy 21:36, 30 August 2008 (UTC)
 * THX--User:Londogne 06:44, 31 August 2008 (UTC)