Name: Billy
Author: KoopaKoot
Website: http://mugenguild.com/forum/topics/billy-144911.0.html
Origin: The King of Fighters 2002 UM
Name: Billy
Author: J.Lee
Website: http://web.archive.org/web/20100412144307/http://conversion.wo.to/
Origin: The King of Fighters 2003
Name: Billy
Author: ahuron
Website: http://web.archive.org/web/20051212012723/http://mugen-easy.hp.infoseek.co.jp/
Origin: The King of Fighters 2003